E*Thirteen

Helix Race Carbon e*spec Crankset - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset

Built for riders who demand the best, Helix Race Carbon e*spec cranks combine years of carbon innovation with e-bike-specific engineering to deliver unmatched strength-to-weight performance. Weighing as little as 320g and rated for ASTM 5 use, these cranks are light enough for trail days and tough enough for bike park laps.

• Ultralight carbon construction with refined layup and molding for max strength-to-weight
• ASTM 5 certified: ready for All-Mountain and Enduro-level abuse
• Optimized for weight-conscious riders without sacrificing stiffness or durability
• Available in a range of lengths and offsets to dial in Q-factor and fit
• 21.5mm offset fits Bosch SX, Brose S-Mag, DJI Avinox, TQ HPR50, and Specialized 2.2 & 3.1 motor systems