Helix Race 107mm BCD Chainring 38T e*thirteen Code:CR4HRA-148 with its AIR CIRCULATION and

with its AIR CIRCULATION and an AIRO FLEX hip belt that is adjustable in terms of length and height

The bell is made of solid brass for a loud clear ring that is sure to clear the path

Reduces metal-to-metal contact to reduce drivetrain wear

Mounts to 22

available in 18" (36H) or 20" (36H) options

Helix Race 107mm BCD Chainring 38T e*thirteen Code:CR4HRA-148 with its AIR CIRCULATION ande*thirteen Helix Race Chain ring 107BCD 38T Shimano SRAM 11 12 speed Chain Compatible Black 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