Accessories

The XX Eagle T-Type AXS™ Wide left crankarm with Power Meter spindle utilizes SRAM's World stage proven XX crank arm with a subtly integrated power meter to record and deliver live, accurate power readings to your head unit. We achieve this by utilizing what SRAM calls “DUB-PWR” – a unique design that elegantly houses Quarq’s reliable and accurate power measurement inside the DUB crank spindle itself. Measuring left-side power to calculate total watts, it’s subtle, lightweight, compatible with any chainring setup, and boasts unbeatable battery life. It is also compatible with the Flight Attendant system, allowing for total connectivity between all AXS™ enabled components. No-compromise, no-fuss data delivery giving you an edge over the competition. - Innovative "DUB-PWR" design allows for lightweight, subtle Quarq power integration - Compatible with RockShox Flight Attendant - +/-3% accuracy means you'll always know your true watts output - Long battery life provides 400+ hours of usage - Waterproof (IPX7 waterproof to 1 meter for 30 minutes - Right arm, Bottom bracket, Chainring and Spider NOT included

- Fits most: Cross Country, All Mountain, Enduro, Freeride, Downhill Bikes up to 29", Gravel, Road, and Triathlon Bikes - External, separate wheel compartments with DISC PROTECTION - Includes BIKE STAND PRO, CLIP ON WHEEL 2.0 and FRAME PAD - Smooth running skate wheels (replaceable)

- Fits EVO Fire Ridge, Bushwick, Kallio (920726, 920727, 920778, 920779) - Charger included

Proper frame preparation is very important. Park Tool's Head Tube Reaming and Facing Set combines reaming and facing of the head tube to create a perfect fit for most sizes of head cups. Includes: • 30.1 mm reamer (part #751.2) and four different size pilots (29.8mm, 30.0mm, 33.8mm, and 36.8mm) • 690 facer • Quick-release, quick-adjust feature: bottom portion slides off and on easily without threading SHIS terminology: The HTR-1 as stock will face frames of EC29, EC30, EC34 and EC37. It will ream frames of EC30. Accessories will allow service in other standards.

Park Tool's Event Stand is a versatile, stable, multi-purpose storage rack built to hold up to twelve bikes by the nose of the saddle. Perfect for events, races, or sidewalk storage, the ES-1 disassembles and folds easily for compact storage. It includes two height-adjustable tripod uprights, two 47" (119cm) support tubes, and one connector sleeve. The ES-1 is approximately eight feet long but can be extended in length with the use of ES-2 Event Stand Add on Kits (sold separately). - The ES-1 adjusts from 94 to 120cm (37"-47") - Horizontal width (inside to inside): 2.23 meters (87")

It’s the ultimate in integrated power measurement. The Force AXS power meter kit adds Quarq technology to our one-piece chainrings for the lightest, stiffest, and most accurate power package available. A 13-tooth delta on all chainring pairs ensures precise shifting for any setup, as well as a less dramatic change in cadence during front shifts. Combined with our most durable chainrings ever, it’s an unbeatable combination. FEATURES - X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear - Power meter is fully integrated into the chainring set for lighter weight - Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride - Measures right and left leg power balance - Crisp and accurate front shifts - Unique chainring shape results in a lighter weight, stiffer, more durable unit

To ensure proper headset performance and longevity, special attention must be given to accurately machine the fork’s crown race seat. Park Tool's Crown Race Cutting Tool is a professional-quality machining tool for milling both the outer edge and lower surfaces of the crown race seat. • Includes high speed steel cutters and adjustable collets to machine 26.5mm and 27.1mm crown race seats on 1” forks and 30.1mm crown race seats on 1-1/8" forks • Unique adjusting system allows a tight fit of the tool on any fork, threaded or unthreaded (even forks with externally butted steerer tubes), ensuring a smooth, accurate cut and proper alignment of the fork in the frame • Cutter sized for 1-inch standard is part #845 (sold separately) • Cutter for 1-1/8 inch standard is #846 (sold separately)

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Shimano DXR M71 crank arm. BMX: Stages Power is proud to support and provide power for those racing BMX. No matter your discipline, Stages is here to help take your riding to the next level. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box: - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The SHX-1 Slide Hammer Extractor is a professional solution specifically designed for removing press fit cartridge bearings from bicycle components. Utilizing expanding collets, an extendable shaft, and a substantial (960g) slide hammer, the SHX-1 securely yet forcefully drives out cartridge bearings with targeted impact. The SHX-1 is compatible with cartridge bearings with inner diameters from 6 to 32 millimeters, covering most press fit applications found on bicycles including hubs, suspension linkages, and bottom brackets. - Set of 5 expanding collets covers most bicycle bearing IDs from 6mm to 32mm - Slide hammer shaft is extendable from 6.5" (165mm) to 13" (233mm) for additional force when needed - Organized in a convenient storage case

Norco's Gen 3 VLT Electric Mountain Bikes all share the same batteries, made from future-proof 21700 lithium-ion cells for maximum energy density to let you choose your capacity. The 540Wh is the lightest Gen 3 VLT battery available at just 3190 grams. The lighter weight is perfect if you want to get out and burn some fast laps before sundown and have less of a concern for maximizing your range. Note: Only Norco batteries are compatible with Norco VLTs. Online purchases of Norco VLTs must include a battery. VLT batteries are sold separately. When purchasing a Norco VLT bike, make sure you have added the bike and your choice of battery to your shopping cart before you check out. Bike orders cannot be fulfilled without a battery.

Updated to fit an even wider range of hub, wheel and tire combinations with room to spare, utilizing a wider base structure and larger calipers. More accurate and easier to calibrate, the versatile TS-4.2 is solidly built to accurately self-center nearly any diameter wheel 16-inch to 29+ and any tire width up to 5-inches+. - Both uprights move simultaneously to always keep wheel centered in the stand - Accommodates tire widths up to 5-inches+ with or without brake rotor mounted - Speed knob to quickly change axle widths - Accommodates hub widths from 75mm to over 250mm - Precise operation and adjustability - Built in thru-axle adaptors - Machined, welded, assembled and calibrated in our factory in St. Paul, MN - Chrome plated and powder coated heavy gauge steel construction - Removable, replaceable nylon caliper tips to protect painted/anodized rims

Drawing inspiration from Pedro's Bench In a Box and Master Tool Kit, this extensive tool set includes 55 professional-quality tools packaged simply to ensure the best possible value. You won’t find a glorified fishing tackle box, but instead a wide variety of professional tools ready to tackle installations, overhauls, and repairs. The perfect kit for new shop mechanics or home enthusiasts. Includes: - L Hex Wrench Set - 9 piece - 6mm and 8mm Hex Driver - Y Wrenches - 2, 2.5, 3, 4, 5, 6 hex, T10, T25, T30 torx - L Torx Set - 7 piece - Tire Levers – Yellow (2) - Pro Chain Tool 2.0 - Equalizer Pedal Wrench - Vise Whip - Cassette Lockring Socket - Campy BB & Cassette Socket - Splined Bottom Bracket Socket - Freewheel Socket - Bottom Bracket Wrench - Cable Cutter - Cable Puller - Universal Crank Remover w/ Handle - Phillips #2 Screwdriver - Flat Blade 5.5 Screwdriver - Star Nut Setter - 1" & 1 1/8" - Magnetic Parts Tray - 13mm, 14mm, 15mm, 16mm Cone Wrench (2 Pieces Each) - 17mm, 18mm, 19mm Cone Wrench - Tape Measure - Pro Spoke Wrench - Black - Pro Spoke Wrench - Green - Pro Spoke Wrench - Red - Chain Checker Plus - Adjustable Wrench-10

The BBP-AOS is used in conjunction with the BBP-1.2 Bottom Bracket Bearing Press Kit to extract press fit bottom bracket bearings, cups, and adaptors. The BBP-AOS utilizes an expanding collet and extractor cup system to safely remove bearings without requiring impact. Also included are eight installation drifts for pressing bearings into pre-installed cups. - 8 precision-machined extractor cups and 5 hardened collets for compatibility with most bearing IDs and bearing/cup ODs - 8 installation drifts for standalone bearing installation - Organized in a convenient storage case - Full list of compatible bearing inner/outer diameters found on instructions/parts diagram NOTE: The BBP-AOS requires the BBP-1.2 Bottom Bracket Bearing Press Set for use. The BBP-1.2 and BBP-AOS are also available as a complete set (part # BBP-2).

Tough, light, and loaded with features, that's Park's Team Issue Repair Stand. The 3-point leg system and adjustable height (up to 60 inches) creates a stable, ergonomic repair station for easy, efficient wrenching. And, Park's Professional Micro Adjust Clamp quickly clamps nearly any frame tube from 7/8 to 3 inches in diameter, including aero tubes. And the clamping force is fully adjustable for safety. Plus, the clamp has soft, durable rubber jaws that are narrow to fit on even short seatposts and tight areas on a bike. And, the clamp rotates 360 degrees for easy access to any part of the bike. Also, if you're in a hurry, there's a seat cradle for simply hanging your bike too. This great stand folds fast and small for easy transport and storage.

Park's Deluxe Home Mechanic Repair Stand is an awesome portable stand that's as useful while traveling as it is at home. This versatile stand features Park's shop-quality Micro-Adjust Clamp that handles round and aero seatposts and frames from 7/8-inch to 3-inches in diameter and clamps securely with its quick-release cam and handle that fine-tunes the tension. The clamp also has protective rubber jaws and built-in slots for cables. Plus its jaws are only 2.7 inches tall so they easily fit in narrow areas, like on seatposts that aren't raised much. The Deluxe Stand also boasts a stable base and the top telescopes for putting the bicycle right where you need it to get your work done efficiently. Plus, you can also rotate bicycles 360 degrees and the stand folds for easy carrying and storage.

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Stages Carbon crank arm and it compatible with SRAM GXP road drivetrains. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

Updated with a smoother, more solid rotation system! Originally designed for professional Pro Tour mechanics. The PRS-22.2 firmly holds any bike without clamping the frame or seat post by supporting the bottom bracket then locking either the front or rear dropouts. Works with any style axle system, including quick release and all sizes of thru-axles without cumbersome adaptors. Ideal for cleaning and general repair work, the PRS-22.2 features a solid tripod base and folds compactly for storage or transport. - Precisely constructed of anodized 6063 T6 lightweight aluminum and durable composites (12.5lbs, 5.67kg) - Adjustable BB height of 30" to 45" / 76cm to 114cm - 360 degree horizontal rotation allows easy access to all sides of the bike - Customizable bottom bracket supports accommodate a wide variety of BB shells - Main beam is adjustable fore and aft to customize balance points - Adjustable collar features receivers for optional accessories (sold separately) 106 Work Tray and PHT-1 Paper Towel Holder - Easily transported in the BAG-20 (sold separately)

The EVOC BIKE TRAVEL BAG XL is the ideal transport case if more space is needed. This bike bag for Plus- and Fat Bikes is the mobile alternative for storage to a bike box with maximum protection for frame, wheels and other components, whether for bike shipping or flying. - Fits Plus- and Fat Bikes - Variable Frame Fixation Equipment (VAFFE) - Separate Wheel Compartments - Collapsible to: 143 x 41 x 28 cm - Maximum wheel base: 125 cm incl. handle bar- and fork protection block (130 cm without handle bar- and fork protection block) - Reinforced fork mount

This dishing gauge is fully machined from big billets of aluminum to a final shape and accuracy that's as nice to use as it is to look at. Compatible with wheels from 20-29 inches and all hub combinations. Standoff feet are included for checking dish with the tire in place, even the big fat ones. The gauge uses a unique spring-loaded mechanism to drop the plunger. Press that little brass button on the front and the plunger will drop to the face of the hub. No archaic time-sucking threaded indicators here!

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Shimano Dura-Ace R9100 crank arm and is compatible with all Shimano Hollowtech II road drivetrains. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level, which is an industry best for non-scientific power meters. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box: - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh climates do not hold you back, then you need a product capable of rising to the occasion. That is exactly what the DZero DUB power meter is made for. Train harder, ride faster and unlock your ultimate potential.  - Specifically designed for use with XX SL Eagle T-Type Thread Mount chainrings (Sold separately) - AXS™™ enabled for easy monitoring and firmware upgrades - Bluetooth Low Energy and ANT+ compatible - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Uses a common CR2032 battery that last for 200 riding hours and changes without tools - Power-upgrade compatible with the following RED® and Force eTap AXS™™ cranksets: RED 1x: 36T-46T, Force 1x: 36T-46T, Force 2x: 33/46, 35/48

The PRS-4.2 is a professional quality bench mount repair stand designed and built to withstand the rigors of everyday shop use. Includes three mounting holes, making it possible to clamp as high as 16.25" (41cm) from the bench surface. - Shop quality 100-3C Clamp quickly adjusts to fit any frame tube up to 1-5/8" (41mm) - The clamp jaws are nominally 4 inches (10cm) wide - Clamping height can be raised from 6.5" to 16.25" (92cm to 41cm) above the bench surface - Clamp rotates 360 degrees - Heavy gauge steel tubing - Chrome plated for durability

The PRS-26 incorporates proven features from our other Team Issue stands to produce a strong, lightweight repair stand that's at home on-the-go or in the race pits. The sturdy tripod leg design folds and unfolds quickly and easily, and provides stability on any surface. The clamp is height-adjustable from 97 to 147 cm (38" to 58"), and can be positioned over one leg or between two legs to accommodate any bike. Precisely constructed from anodized 6063 T6 lightweight aluminum and durable composites, the PRS-26 is our lightest full-featured repair stand, and folds compactly for storage or transport. The PRS-26 is equipped with the time-tested 100-25D Micro-Adjust Clamp, the same design featured on our shop repair stands. The 100-25D features narrow clamping jaws to fit into tight areas or on short seat posts, and clamps nearly any tube from 23 to 76 mm (7/8" to 3"), including aero tubes and dropper posts. The cam-actuated adjustment system allows for quick entry, adjustment and exit. - Maximum weight capacity*: 36 kg (80 lbs.) - Clamp capacity: round and aero tubes from 22 to 76 mm (7/8" to 3") wide - Jaw width: 70 mm (2.75") - Height adjustable from 97 to 147 cm (38" to 58") - Base when open forms a triangle of 126 x 126 x 126 cm (49.6" x 49.6" x 49.6") - Weight: 5.7 kg (12.6 lbs.) - The PRS-26 uses the 100-25D Micro-Adjust Clamp - Replaceable jaw covers (part #1960) *NOTE: The maximum weight capacity of the PRS-26 assumes the bike's center of gravity is positioned directly below the clamp.

Walk into the service area of any bike shop in the world, and odds are good you'll see a Park Tool Professional Wheel Truing Stand on the bench still the top choice of professional mechanics everywhere for over 40 years, and for good reason. With extra-tall uprights and wide calipers, the TS-2.3 is capable of accepting most wheels commonly found on road, mountain, BMX, and hybrid bicycles, including wheels with disc brakes, aero rims, and oversized MTB tires. Upright adjustment is controlled with an ergonomically-designed speed knob, which quickly adjusts the stand to accommodate any hub width in seconds. The sturdy uprights of the TS-2.3 feature integrated storage for the included thru-axle adapters, which allow for compatibility with thru-axle, quick release, and solid axle hubs without the use of additional parts or adapters. The TS-2.3 is constructed from durable powder-coated heavy-gauge steel and is manufactured, assembled, and calibrated in St. Paul, Minnesota. Strong, comfortable knobs and spring-loaded calipers and caliper arm ensure smooth, consistent operation, and the removable composite caliper tips protect painted rims and fragile materials. 100% adjustable and rebuildable for a lifetime of use. Wheel Capacity: - Maximum wheel size: Up to 29" + with or without tire - Maximum hub width: 200 mm (7.87") - Maximum rim width: 102 mm (4") - Hub compatibility: Accommodates quick release and solid axle hubs, also accommodates thru axle hubs using included TS-2TA.2 Thru Axle Adaptors Mounting Options: - Bolt to benchtop — mounting holes are 9.5 mm (3/8") in diameter and 200 mm (7.9") from center to center - Clamp in vise — base is 76 mm (3") deep - Install in TSB-2.2 Truing Stand Base

Park Tool's Repair Stand Base is a steel base plate for the PRS-2 OSLB, PRS-2 OS-1, PRS-2 OS-2 Repair Stands (each sold separately). - 23" x 35" x 7/16" steel plate - Approximately 118 lbs - Black painted

The new Gen 3 single-sided Stages Power R meter is built on to a drive-side Shimano Ultegra R8000 crank arm and is compatible with all frames that fit Shimano Hollowtech II cranks. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Single drive-side power meter increases frame compatibility or upgrades an existing Stages Power L meter to Stages Power LR. Stages Power R offers increased compatibility with direct mount brakes and frames that lack adequate chainstay clearance, as well as the ability to upgrade existing Stages Power L power meters to Stages Power LR bi-lateral (dual) meter systems. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, 2x phillips head screw to access battery compartment - Weight: Only adds 20g to base crankset - Battery Life: 175+ hours (via coin cell: CR2032) - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box - Drive-side power meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

- Precision tool for quickly and easily removing the headset crown race from the crown race seat of the fork - Fully adjustable, allowing precise, independent positioning of each blade around the crown race for flexibility in fitting around crown race interferences - Works with 1,1-1/8,1-1/4,1.5" forks (suspension or rigid) and crown races with outside diameters up to 64mm - Accepts steerers up to 430mm - All steel construction for long life

The 16-piece set from the screwdriving tool specialist Wera solves the most important screwdriving problems associated with bicycles—reliable control of applied torque to protect sensitive components—with a click-torque wrench in the unmistakable Wera design. It features a very robust design with high accuracy, along with easy setting and saving of the default values. The audible and tactile snapping on reaching the scale values facilitates the safe setting of the desired torque values, while the robust release mechanism guarantees a clearly audible and tactile trigger signal when the set torque is reached - 16-piece wrench set for bicycle applications with torque control including Wera Clique-Torque wrench A 5 (2.5-25 Nm) - Sockets and bit sockets for the most popular screw profiles on road bikes, mountain bikes, and e-bikes - Easy setting and saving of the desired torque value with an audible and tactile click when the scale value is reached (click 1) - Safely quantified force: when the set value is reached, the torque wrench triggers audibly and noticeably (click 2) - Precise to +/- 4%

The PRS-4.2 is a professional quality bench mount repair stand designed and built to withstand the rigors of everyday shop use. Includes three mounting holes, making it possible to clamp as high as 16.25" (41cm) from the bench surface. - The 100-3D Micro-Adjust clamp grips nearly any tube from 7/8" to 3" (23mm to 76mm), including aero tubes - The clamp jaws are nominally 2.75 inches (7cm) wide - Clamping height can be raised from 6.5" to 16.25" (16cm to 41cm) above the bench surface - Clamp rotates 360 degrees - Heavy gauge steel tubing - Chrome plated for durability

Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The DFour DUB was designed specifically for Dura-Ace R9100 chainrings. Train using a Quarq power meter without changing your drivetrain. You are working hard, pushing yourself to new heights in some of the toughest conditions. Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh climates do not hold you back, then you need a product capable of rising to the occasion. That is exactly what the DFour DUB power meter is made for. Train harder, ride faster, and unlock your ultimate potential. The DFour DUB power meter brings simplicity and ease-of-use to your training. With MagicZero automatic calibration, there is no need to worry about calibrating before you ride; just jump on your bike and go. DFour DUB features Bluetooth low-energy and ANT+ wireless data transfer, delivering power output information directly to your cycling computer. Features - Bluetooth low-energy technology and ANT+ wireless data transfer - MagicZero - automatically checks and recalibrates your power meter as you ride – no need to manually calibrate - AxCad - no cadence magnet required - 10K Temperature Compensation - Battery - CR2032, 200-hour battery life, change without tools - OmniCal - swap chainrings without affecting accuracy - 2-year warranty - IPX7 waterproof rating - Accuracy - within 1.5%, measuring both legs