e*thirteen Helix Race Alloy e*spec Crank Arm Set - for Specialized M30 SL1.1, 14mm Offset, 155mm, with Self Extractor, Black Shifters - Used for installing on

- Used for installing on Ritchey 1-bolt alloy seatposts only

165857-Q0-L

reduced bulk

144750-Q2-L44EE01

e*thirteen Helix Race Alloy e*spec Crank Arm Set - for Specialized M30 SL1.1, 14mm Offset, 155mm, with Self Extractor, Black Shifters - Used for installing onA 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. Product Specifics Color: Black Crank Length (mm): 155 Pedal Spindle: 9 16"