Topeak Tubi Master X CO2 Repair Kit 25g ModelNumber=K4887 The combination of new and The combination of new and proven aero components allows cyclists to control many riding situations at high speeds Spoke Interface J Bend Defined Color Silver Color Polished Flange Diameter Right 64 Flange Diameter Left 64 Weight 280 Hub Drilling 20 Front Axle 9x1 Threaded x 100mm Hub Brake Compatibility Rim Brake Center to Flange Right 34 A micro sized tubeless tire repair and inflation kit featuring an advanced 2 in 1 CO2 injector head that repairs a puncture and inflates the tubeless tire in one step with massive air or can simply be used as a traditional CO2 inflator via the valve stem The inflator head is compatible with both Presta and Schrader valves and the included velcro strap attaches to seatposts saddle rails or frame tubes and can carry one or two threaded 16g or 25g CO2 cartridges