e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor Silver MFPN=KP2302016 Backing Plate Material Steel Compound

Backing Plate Material Steel Compound Resin Pad Shape Number 19

by many chosen for its super elastic construction

Also compatible with Cane Creek eeWing cranksets

The 590ml bottle has a high flow valve that is self-sealing and leakproof with a removable dirt cover so the mouthpiece stays clean out on the trail

Use top cap and split spacers provided with ENVE stems and one-piece cockpits

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor Silver MFPN=KP2302016 Backing Plate Material Steel CompoundA 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 clearance and are tested to E Enduro standards. Color Silver Crank Length (mm) 165 Pedal Spindle 9 16" Spindle Interface Type ISIS