e*thirteen Helix Race Alloy GR Cranks - Black GRAVEL Detectable HR Range 40~220BPM

Detectable HR Range    40~220BPM

For Cannondale and Specialized S-Works crankset

Contains a selection of Muc-Off brushes for deep cleaning

To celebrate our partnership with EF Education and EF Oatly pro cycling teams

ANT+ FE-C (for trainer)

e*thirteen Helix Race Alloy GR Cranks - Black GRAVEL Detectable HR Range 40~220BPMWorking 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