Our most advanced chain tool. Featuring a machined body and precision-made spindle threads for smooth operation and ease of use, the large handle provides additional leverage and easily removes the chain. The Master Chain Tool features a floating chain support for perfect positioning and support of any chain. It works with all derailleur chains from 6 to 12 speeds, is compatible with SRAM AXS chains, and accepts 1/8 single-speed chains. It also accommodates 11 and 12 Campagnolo chains. The tool comes with three different interchangeable chain supports: a single-link support is preinstalled, a wider double-link support for extra grip, and a dedicated SRAM AXS support are also available. A hidden compartment in the tool body conceals an additional replacement pin. Supplied with: -Long and short chain stay (compatible with 6-12 speed derailleur chains) -Dedicated SRAM AXS chain support -Campagnolo chain pin lock -Spare chain pin Compatible with: -All derailleur chains from 6 to 12 speeds -SRAM AXS flat chain -Most 1/8˝ single speed chains -Campagnolo 11- and 12-speed