• Environmentally friendly and cleans up with water

It's super easy to click back in and even easier to twist out

The XX1 Eagle cassette is the ultimate choice for high-performance race bikes and top-end builds

grime and chain oil in seconds

SuperB Chain Checker and Hook Tool Envelope Shipping • Environmentally friendly and cleansQuickly check the life of your chain with the SuperB Chain Checker and Hook Tool Made from precision laser cut stainless steel, the tool lets you know when it's time to replace your chain with 0. 75% and 1% wear indications. The chain hook works like a third hand and is super handy when you need to assemble or break the chain. Note: 1% is a pretty huge amount of wear and if your chain is that worn you will definitely need to replace your cassette (and