Helix R e*spec AL Crank Arm Set - 155mm, BOSCH Gen4-Brose S Mag-TQ HPR50, with Self Extractor, Bronze

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:

• Color: Bronze
• Crank Length (mm): 155
• Defined Color: Brown
• Designed for ebike: Yes
• Pedal Spindle: 9/16"