Campagnolo UT-CN300 Chain Tool For 11 and 12-Speed Chains If you need to replace a chain or do a deep clean on a chain, you'll need a chain tool for removal. A chain tool pushes out a pin to disconnect the chain. The Campagnolo UT-CN300 Chain Tool has robust shop-grade construction and is designed for Campagnolo 11 and 12-speed chains. It features a rubber handle for optimal grip and a sturdy peening latch. Features Designed for Campagnolo 11 and 12-speed chains Robust shop-grade construction so you can use it numerous times Rubber handle for optimal grip | Campagnolo | Ut-Cn300 Chain Tool Ut-Cn300 | Rubber