Introducing a complete solution for cycling's most common mechanicals. As part of our new S.O.S Save Our Shred tool range the TT17 offers reliable on-bike mechanical support for those unexpected moments on the trail in a compact premium package. Designed to be seamlessly integrated onto your bike frame this kit ensures easy access to essential tools for quick repairs and trailside assistance so you can stay in the flow and keep pedaling. The TT17 is equipped with a versatile mini-tool full-size tire lever CO2 inflator and cartridge storage option chain tool spoke wrenches and more all housed in an anodized aluminum enclosure that can be installed onto any standard 64mm mounting bracket. TUBELESS TIRE PLUG TOOL A built-in tire plug fork and included tubeless plugs provide a quick fix for pesky trailside punctures.  VERSATILE CHAIN TOOL The TT17's versatile chain tool can break any 8 9 10 11 or 12-speed chains and can also install 10 11 or 12-speed connecting pins. In addition a magnetized chain link storage on the body of the multi-tool can hold a 10 11 or 12-speed quick-link.  SPOKE WRENCHES The included size #0 #1 and #2 spoke wrenches keep the wobbles at bay and your wheels running true. CO2 INFLATOR The included CO2 inflator is compatible with any threaded CO2 cartridge and the TT17's case can store a standard 16g or 20g cartridge internally. Simply thread the CO2 cartridge all the way into the inflator push the inflator onto your wheel's Presta valve and back the cartridge out a quarter turn to inflate. Features: 2 2.5 3 4 5 6 hex tools + 8mm adapter bit T25 torx tool Flat screwdriver Tire plug tool + 2x plugs Tire lever Chain tool Spoke wrenches 0 1 2 Valve core tool CO2 head Storage tube Fits a spare chain link + a 16g or 20g CO2 cartridge sold separately