The Rap 21 CO2 Multitool features a simple, yet ingenious, design that integrates a CO2 dispenser. The CO2 head quickly slides on or off the 5 mm bit allowing for easy access, & an internal sleeve unthreads from the chuck revealing the engagement port for a threaded CO2 cartridge. The head threads onto either a Presta or Shrader valve & is made up of a lightweight & durable aluminium construction. The Rap 21 features ergonomic forged aluminium side plates, forged, wrapped Center-Pivot Cr V+ anti-corrosion bits, Chrome Vanadium steel fastening hardware & a cast stainless steel chain breaker with three integrated spoke wrenches. Tools: Hex 2, 2.5, 3, 4, 5, 6, 8mm Torx T25, T30 Phillips & flat head screwdriver Chain Breaker: (9/10/11 speed) Spoke Wrenches: Mavic Mtv, 3.22, 3.45 Tire Lever with open end 10mm wrench Bottle Opener with open End 8mm wrench & disk brake wedge Presta/ Schrader Co 2 Inflator