BBB BTL-125 ChainChecker Chain Wear Tool

The BBB ChainChecker tells you in seconds whether your chain is worn and needs replacing, helping protect your cassette and chainrings. It doubles as a mini tool, with built-in hex keys, a valve tool and hooks that hold the chain ends together while you join it.

• Quick, accurate chain wear check
• Compatible with 7- to 12-speed chains
• Built-in chain hooks to hold the chain while connecting it
• Built-in 5, 6 and 8 mm hex keys
• Built-in valve tool
• Weight: 30 g | Length: 132 mm