e*thirteen Helix Race Alloy e*spec Crank Arm Set - Specialized M30 SL1.1 14mm Offset 160mm Self Extractor BLK MFPN=BB 3903 LLU-BAG Steel barrel

Steel barrel

A durable steel barrel and large steel base with ergonomic padded handle make it easy to get your ride up to pressure fast

-01 is compatible with cassettes from 6-12 speed

8mm Stem Length 45mm 1-1/8" Threadless Black

e*thirteen Helix Race Alloy e*spec Crank Arm Set - Specialized M30 SL1.1 14mm Offset 160mm Self Extractor BLK MFPN=BB 3903 LLU-BAG Steel barrele*thirteen Helix Race Alloy e*spec Crank Arm Set for Specialized M30 SL1. 1 14mm Offset 160mm 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 clearance