The Box Four Wide/Narrow chainring completes that package for the 1x8 system. It is the first 8-speed specific chainring designed to optimize chain retention when using 8-speed chains. The tooth profile and thicknesses are tailored to match the inside geometry of the unique Box Four chain.

FEATURES

- Our 8 is Enough Chainring
- Forged & CNC Steel
- ED Black Protection
- Wide / Narrow 8s Specific
- 104 BCD Compatible