Cranksets

Shimano's Tiagra Front Chainwheel is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Series: Tiagra 4700 - Crank Construction: 2-piece crank construction - Cassette Compatibility: 10-speed - Chain Compatibility: Series color - Bottom Bracket: BB-RS500 / BB-RS500-PB

The e*thirteen e*spec Plus Crank Arm Set is designed to work with Bosch Gen 4 eBike motors. These alloy crank arms offer a slim Q-factor and smaller overall profile, while keeping e*thirteen's proven crank technology at the forefront. - An 8mm self-extractor bolt is built into both arms for easy removal - 6061 Aluminum - Number of Chainrings: No Rings Included - Chainline/Hub Compatibility: 141/148 Boost Hubs, 150/157 Hubs - Crank Intended Use: Mountain - Pedal Spindle: 9/16" - Designed for ebike: Yes - Drivetrain Speeds: 11, 12 - Chainring BCD: Direct Mount Bosch - BB Included: No

Lightweight, durable, stiff and designed specifically to work with Bosch and Brose mid-ship motors, SRAM's EX1 crankarms are purpose built for the high-torque E-MTB environment. - Proven SRAM technologies adapted for the demands of midship-motor E-MTBs - Compatible with Bosch, Brose and Yamaha bottom bracket interfaces - Arm Material: Aluminum - Colors: Black - Bottom Bracket Interface: ISIS