The Ninja C from Topeak is a convenient storage solution for your bike. Designed to fit inside your handlebar, this clever tool frees up space in your pockets while still being easily accessible when you need it. The Ninja C is compatible with all chains, including Campagnolo® 11 speed hollow pin chains. Made from tough hardened steel, this tool is durable and reliable. It includes a 4mm allen wrench and a chain hook for added convenience. One of the standout features of the Ninja C is its integrated chain pin breaker. This means you won't need to carry an extra tool with you. It also includes a rivet anvil specifically designed for 11sp Campagnolo hollow pins. Weighing just 77g, the Ninja C is lightweight and won't add unnecessary bulk to your bike. Its compact size allows it to fit into bars with 16.5-20mm internal diameter. Choose the Ninja C from Topeak for a practical and reliable bike tool that will always be within reach when you need it.