e*thirteen Helix Race Alloy GR Cranks - Sterling Silver D4 With 10-speeds

With 10-speeds

it can detect changes in heart rate during exercise

3 Top Cap Assemblies

Added Features: 5” ball bearing wheels

e*thirteen Helix Race Alloy GR Cranks - Sterling Silver D4 With 10-speedsWorking alongside our World Cup DH and Enduro athletes, e*thirteen engineered the new Helix Race GR Cranks. These Forged AL 6066 T6, CNC sculpted aluminum cranks are designed for the rigors of downhill, big bike park laps, enduro, and freeride. The Helix Race GR shares the spindle design and low profile shape with our top end carbon and alloy cranks, with 83mm and 73mm spindle options. Helix Race GR cranks easily exceed ASTM 5 standard a work of art