The Wolf Tooth Encase Chainbreak Tyre Plug Tool is built to fix tubeless tires and broken chains. This multi-tool has a chain tool on one end and a tyre plug built into the handle, with an inner storage for tubeless tyre plugs. The full multi-tool was designed for use with an EnCase System Storage Sleeve, which fits inside bar ends of your handlebars. Ride with this multi-tool in a storage sleeve or in a tool wrap for easy repairs while riding. Wolf Tooth Encase Chainbreak Tyre Plug Tool Features Compatible with all bicycle chains, including 12-speed Inserter tool and bacon strips plug holes in tubeless tires Five bacon strip tire plugs included; refills available (EnCase System Extras) Hardened steel chain pin driver for lifetime durability Store in handlebar with EnCase System Storage Sleeves (sold separately) or carry in a jersey pocket Chain tool driver requires 4mm hex (available on EnCase System Hex Bit Wrench Multi-Tool) Wolf Tooth Encase Chainbreak Tyre Plug Tool Compatibility Chain tool will work with all bicycle chains, including 12-speed Fits most mountain handlebars and road handlebars when combined with the storage sleeve. Works with both carbon and aluminum handlebars. Does not fit ergonomic-style road bars with extra bends in the drops. Minimum internal bar diameter is 17.5mm. Wolf Tooth Encase Chainbreak Tyre Plug Tool Specifications Weight: 46g Material:  7075-T6 Aluminum, CrMo steel, butyl strips Made in the USA