Helix Race Alloy e*spec Cranks for Bosch SX/Brose/TQ - Black

Helix Race Alloy e*spec Cranks for Bosch SX/Brose/TQ - Black

Regular price £199.95
Tax included.


Helix Race Alloy e*spec | Cranks | 155mm | 21.5mm Offset | 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 compatible with the most common motors including Bosch CX G4, SX, Brose S Mag, TQ HPR50, Fazua, Yamaha, Maxon, DUB, and Brose, Specialized Turbo Levo SL/Levo SL motors.


  • Multiple offset and interface options to ensure optimized Q-factor and fit with most common motors
  • Full CNC finish - low overall profile
  • Forged -CNC optimized alloy crank arms, with alloy self-extractors, hardware and APS Adjuster
  • Shorter 155/160/165mm Lengths Available, improving clearance on low BB frame geometries
  • Custom molded crank boots included
  • 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.


Arm Length 155mm
Spindle Interface Bosch/TQ/Brose
Offset 21.5mm Offset
Q-Factor 173.5mm
Material Forged AL 6066-T6
Weight 435g
Color Black
Warranty 5 Years

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