Topeak Chain Wear Indicator and Hook Tool YGroup_7033471565869 is an innovative and extremely

is an innovative and extremely flexible system for organising on-bike bottle and accessory storage using bottle cage mounts

There is a 30PSI gauge so you can dial in the low pressures and a regular 75PSI gauge for regular mountain bike treads

17mm spanner

Hex bits: #2

Security Level: High Risk

Topeak Chain Wear Indicator and Hook Tool YGroup_7033471565869 is an innovative and extremelyEnsure your chain and drivetrain are in good shape! The Topeak Wear Indicator easily tells you whether you need to replace your chain. It also features a hook tool to help install new links. Chain Wear Guide User Instructions: 1) Put " STEP 1 " inside a chain space and fully engage a roller. 2) PRESS " STEP 2 " on a roller. If "STEP 2" can't engage in the roller your chain is good to go. If "STEP 2" can engage in the roller its time for a new chain.