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BOX Four 8 Speed Wide/Narrow Chainring

BOX Four 8 Speed Wide/Narrow Chainring
Color: Black
Size: 32T
Please select options Unavailable


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.


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

Part Numbers

Option UPC MPN
Black / 32T 616043831978 BX-CR4N10432-BK