Fix tubeless tires and broken chains. This multi-tool has a chain tool on one end and a tire plug built into the handle, with inner storage for tubeless tire 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.Key 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),.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..