The Renthal 1XR chainring tooth profiling ensures the highest level of chain retention, in all conditions. Alternating width teeth interlock with the chain for ultimate security, with no loss of efficiency.

Intricate tooth profiling increases mud clearance and extends longevity.

The Renthal 1XR offers ultimate chain retention performance and market leading durability.

BCD 104BCD Size 30T, 32T, 34T, 36T, 38T Compatibility 9/10/11/12spd(Sram) Weight From 36g