Description The Park Tool Chain Tool (CT-3.3) is the only chain tool you will ever need to buy. Like all their professional quality tools, you can rely on these to last & to be safe to use on your best bike! This chain tool is your go-to for removing & installing your chain rivets when resizing or replacing your chain. You will be able to use this tool on basically any single speed or multi-speed bike chain, including SRAM Flattop & T-type’s. Fitting this tool with a floating locating shelf means it’s compatible with any width of chain. Park Tool bicycle tools are built to last & you will find this tool has a replaceable driving pin should you ever use it more than your local bike shop! Park Tool Chain Tool CT-3.3 Features & Specs: Compatible with single-speed bicycle chains including 1/8″, 3/16″ and half-link Compatible with all 5-speed to 12-speed bicycle chains* including SRAM T-Type, SRAM Flattop, and Shimano XTR 12-speed Replaceable pin (part #CTP) *The CT-3.3 will install and remove, but not peen, Campagnolo 11, 12 and 13-speed chain rivets. For instructions on how to use this chain tool, check out this PDF from Park Tool. When bikepacking & touring we recommend taking a chain tool. But if you are looking to kill more birds with this stone, check out this multi-tool from Park Tool.