e*thirteen Helix Race Carbon e*spec Cranks

The Helix Race Carbon e*spec Cranks deliver the ultimate strength‑to‑weight performance for Bosch SX, Brose S Mag, TQ HPR50, Avinox, and Specialized 2.2 & 3.1 motor systems. Built with an advanced carbon layup and a 21.5mm offset for perfect fit and Q‑factor alignment, these 160mm cranks offer exceptional stiffness, durability, and weight savings for trail and all‑mountain e‑MTB riding. Includes crank boots, sticker, and user manual.