Skip to main content

Please call to verify bike and component inventory. 

Due to high demand for bikes and components, availability on our website may not reflect current stock.

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