e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 155mm Self Extractor BLK CheckoutTitle=Shimano Saint BL-M820-B/BR-M820 Disc Brake and Lever - Front }Shimano GRX FC-RX810-1 Crankset -

}Shimano GRX FC-RX810-1 Crankset - 175mm 11-Speed 42t 110 BCD Hollowtech II Spindle Interface Black

Air valve location offers improved frame clearance and pump access

}Continental Grand Prix 5000 S TR Tire - 700 x 30 Tubeless Folding Black/Transparent BlackChili Vectran Breaker LazerGrip ACT

Suspension fork and dropper post compatibility let you get wild with your route choices

Color Blue Crank Length (mm) 155 Defined Color Blue Designed for ebike Yes Pedal Spindle 9/16" Spindle Interface Type ISIS

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 155mm Self Extractor BLK CheckoutTitle=Shimano Saint BL-M820-B/BR-M820 Disc Brake and Lever - Front }Shimano GRX FC-RX810-1 Crankset -e*thirteen Helix Race Alloy e*spec Crank Arm Set BOSCH SX Brose S Mag TQ HPR50 21. 5mm Offset 155mm with Self Extractor Black. A high performance weight optimized alternative to carbon fiber for riders who prefer alloy cranks. These 24mm ISIS interface cranks are engineered for compatibility with Bosch Gen 4 Brose S Mag TQ HPR 50 Fazua Yamaha Maxon and Specialized Brose motor systems. They come in short lengths starting at 155mm for improved pedal