e*thirteen Helix Race 107 BCD Chainring - Black Size:40t providing greater flexibility in your

providing greater flexibility in your setup

allowing easy attachment of your light or camera

With all necessary accessories

[R]160 mm rotors

e*thirteen Helix Race 107 BCD Chainring - Black Size:40t providing greater flexibility in yourThe 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