A Chain Wear Checker is one of those is must-haves in your toolbox

Great for the bike and dirty riding gear like kneepads

Tough nylon bristles and an integrated scraper

Integrated spoke hook also locks levers together when not in use

DaBomb UFO 2.0 Freehub Body - Shimano Microspline Needs Images A Chain Wear Checker is<p>UFO2. 0 comes with the Quadruple petal flange design, which is the newest design that is used by DA BOMB only. It increases spokes rigidity while wheelset building, but the spokes won't overlap anymore and affect each other. And their airtight ratchet can be waterproof and dustproof more effectively also.< p>