The Topeak Ninja C chain tool is compatible with chains up to and including 11 speed. The incredible feature of the Ninja C is that it's 2 parts fit inside handlebar ends, and stays in place with expander plugs. Ingenious and compact, it includes a 4mm Allen key, chain pin compartment and a rivet anvil for Campagnolo 11 speed. Now you can't leave home without your chain tool, which will come as a relief when you need it.
• Up to 11 speed compatible
• Includes anvil for Campagnolo 11 speed chains
• 4mm Allen key
• Chain pin storage
• Internal bar diameter requirement: 16.5-20 mm
• Straight length internal space required: 70mm
• Weight: 77g