Bicycle Tools

* Works with all multi-speed bikes (including 12-speed) as well as some single-speed models and e-bikes* Cleans chain without the need to remove th...

* Compatible with most 5-to-12 speed chains* Go/no-go gauge indicates 0.75% wear* Reverse side also functions as a chain hook​​

* Bracket fits most safety flags * Standard (-01) or compact (-02) axle mounting bracket​​