e*thirteen Helix Race 107 BCD Chainring - Grey FACTOR Accuracy power measurement - ±

Accuracy power measurement - ± 1%

- Weight: 738 gr

in gravel riding the chain must work perfectly to help smooth quick shifting

and one is equipped with a dropper post

When you are riding in peloton

e*thirteen Helix Race 107 BCD Chainring - Grey FACTOR Accuracy power measurement - ±The Helix Race 107 BCD Chainring is a high value quality upgrade for Gravel and Road Cyclists using 4 bolt 107 BCD cranks such as SRAM XPLR or Power Meter Cranks like Quarq Force or Rival. Take full advantage of e*thirteens widest range cassettes by dropping 2 teeth or more in chainring size with our smaller 38, 40, and 42T sizes. A combo that supports steeper climbs and faster descents. Helix Race 107 BCD rings are forged from long wearing 7075 alloy