E*Thirteen
Helix R e*spec AL Crank Arm Set - BOSCH Gen4-Brose S Mag-TQ HPR50
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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.
Specifications
Crank Length (mm)
155, 160, 165
Bronze - 155mm UPC
4711280341030
Bronze - 155mm MPN
CS4EAA-103
Bronze - 160mm UPC
4711280341047
Bronze - 160mm MPN
CS4EAA-104
Bronze - 165mm UPC
4711280341054
Bronze - 165mm MPN
CS4EAA-105
Tree Fort ID:
333222463931
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