e*thirteen Helix Race Alloy e*spec Crank Arm Set – BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 155mm, with Self
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 mo
Category: Cycling Supplies
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.
| Item Specifications | |
|---|---|
| Color | Black |
| Crank Length (mm) | 155 |
| Defined Color | Black |
| Designed for ebike | Yes |
| Pedal Spindle | 9/16″ |
| Spindle Interface Type | ISIS |
e*thirteen Helix Race E*Spec AL Cranks eBike Crankset EAN: 4711280343737

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