e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 160mm Self Extractor Silver MFPN=ST17TURR3540X0RED 5 BB Shell Width (mm)

5 BB Shell Width (mm) 107 BB Shell Width (mm) 121 BB/Frame Interface T47

}Gorewear M Base Layer Sleeveless Shirt - Black Womens Medium

Fittings for Jagwire hydraulic hose

}Wolf Tooth 110 BCD Cyclocross and Road Chainring - 48t 110 BCD 5-Bolt Drop-Stop 10/11/12-Speed Eagle and Flattop Compatible Black

}Shimano Sora R3030 3 x 9-Speed Brake/Shift Lever Set

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 160mm Self Extractor Silver MFPN=ST17TURR3540X0RED 5 BB Shell Width (mm)e*thirteen Helix Race Alloy e*spec Crank Arm Set BOSCH SX Brose S Mag TQ HPR50 21. 5mm Offset 160mm with Self Extractor Silver. 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