E13 Crank Helix Race 73mm w/o BB, Chainring Color:Black When a backpack is too

When a backpack is too bulky for that quick lap but your pockets just won't do the job

9% of the time

Static load - 442lbf / 1

Consistent damping performance at any temperature

CN clearance specification is best for looser press-fit bearing bores

E13 Crank Helix Race 73mm w/o BB, Chainring Color:Black When a backpack is tooe*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