e*thirteen Helix Race Alloy e*spec Crank Arm Set – Specialized M30 SL1.1 14mm Offset 155mm Self Extractor BLK

e*thirteen Helix Race Alloy e*spec Crank Arm Set – for Specialized M30 SL1.1 14mm 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 clearance and are tested to E-Enduro standards.

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