Upgrade your ebike with the stiff, light, and beautiful Helix Race Alloy e*spec cranks. Pair them with the Helix Race e*spec Direct Mount ring for the ultimate aesthetic and performance. Multiple offset and interface options to ensure optimized Q-factor and fit with most common motors Full CNC finish - low overall profile. Custom molded crank boots included. Forged -CNC optimized alloy crank arms, with alloy self-extractors, hardware and APS Adjuster. Helix Race Alloy e*spec
Cranks
155mm
21.5mm Offset
Compatible with BOSCH SX-Brose S Mag-TQ HPR50
with Self Extractor
Black Helix Race Alloy e*spec Cranks, forged and CNC sculpted are the perfect alternative to carbon fiber cranks. With impact-absorbing crank boots and 7075 hardware, they are strong, impact-resistant, weight efficient, and beautiful. Available crank offset options ensure fit and the right Q-factor. They're available in versions compatible with Bosch CX G4, SX, Brose S Mag, TQ HPR50, Fazua, Yamaha, Maxon, DUB, and Brose, Specialized Turbo Levo SL/Levo SL motors.