e*thirteen Helix Race Carbon e*spec Cranks General 65mm and 80mmAvailable in 35mm

65mm and 80mmAvailable in 35mm clamp onlyBacksweep: 9°Upsweep: 5°

Tire Recommended size: 25-622 - 32-622

rich audio details with precision

the drivetrain for people who love to ride without restraint

This keeps weight low and fatigue life high

e*thirteen Helix Race Carbon e*spec Cranks General 65mm and 80mmAvailable in 35mmHelix Race Carbon e*spec Cranks represent the pinnacle of ultralight carbon e bike crank design, the highest strength to weight available, for All Mountain applications. Through years of development and refinement in carbon layup and molding, we've honed the Helix Race Carbon e*spec cranks to deliver the highest strength to weight ratio crankset in the e MTB world. ASTM 5 approved; light enough for Trail and All Mountain, strong enough for shuttle