What's Included: 2 x Dert Valve Core Removal Tools

In this build

76BCD chainring

RAP II 19 CO2 w / 2x 20g

and Gravel riders

Unior 617170 Chain Wear Checker Exclusive What's Included: 2 x DertThe Unior 617170 Chain Wear Checker is a super handy, easy to use tool that will let you know if its time to change your chain. If you replace your chain early enough you will prevent premature wear to your cassette and chain ring. Who's this item for: Perfect for the at home bike mechanic, or really anyone who rides that likes to know the condition of their gear. Chain compatibility: Compatible with all chains. How does it work: It's pretty simple to