e*thirteen Helix Race 107 BCD Chainring - Grey giant Material – Upper: 3D Co-Molded

Material – Upper: 3D Co-Molded Foam And Durable Synthetic SkinMaterial – Shell: Fiber-Reinforced PolymerMaterial – Rail: Hollow ChromolySize: 144 × 265 mm

Longer Pad Life

Dual-Band GPS – Enhances accuracy in challenging environments

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

e*thirteen Helix Race 107 BCD Chainring - Grey giant Material – Upper: 3D Co-MoldedThe 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