e*thirteen Helix Race 107 BCD Chainring - Grey giant preventing the strap moving up

preventing the strap moving up and down on the chest during intense exercise

including select cartridge bottom brackets

which is capable of handling cassettes up to 36 teeth

9 is the one selected

96% Polyamide

e*thirteen Helix Race 107 BCD Chainring - Grey giant preventing the strap moving upThe 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