e*thirteen Helix Race Alloy Cranks - Black Size:165mm ensuring consistent airflow at both

ensuring consistent airflow at both high and low speeds

0 Compound: Vittoria’s unique Graphene compound is superior in rolling performance

Packing 320 lumens at the front and 170 lumens at the rear

SILCA Shield Warranty included covering your cage for 25 years

including everything you need to get you rolling again

e*thirteen Helix Race Alloy Cranks - Black Size:165mm ensuring consistent airflow at bothe*thirteen has love for aluminum. Knowing lightweight, confidence inspiring strength, and stunning looks are top priorities for our pros and customers alike, we went after all three with a vengeance. The Helix Race is our top of the line aluminum crankset, with XC weight and EWS worthy Enduro strength. Forged AL6066 T6 crank arms were engineered to maximize stiffness and strength while minimizing excess material. Massive amounts of CNC optimization