Box Components Box Four 8 Speed Wide/Narrow Chainring Black Friday Dual hex screw tension adjustment

Dual hex screw tension adjustment

Please select your Aventon ebike model

1 models come with two extra springs so you can have the ability to customize your ride even more

It is the first 8 speed specific chainring designed to optimize chain retention when using 8 speed chains

*Made of tough

Box Components Box Four 8 Speed Wide/Narrow Chainring Black Friday Dual hex screw tension adjustmentThe 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.