e*thirteen Helix Race 107 BCD Chainring - Grey FACTOR PU-based cushioning

PU-based cushioning

Aero Optimized Tire Size 25c-28c

Accuracy power measurement - ± 1%

With side knobs borrowed from the legendary Minion DHF

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

e*thirteen Helix Race 107 BCD Chainring - Grey FACTOR PU-based cushioningThe 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