The Oxford CO2 Tyre Repair Kit 2 can provide a temporary repair for any tyres which have a small puncture caused by a nail or a screw.Fits Presta and Schrader valves3 canisters will inflate 1 typical motorcycle tyre1-2 canisters will inflate 1 typical bicycle tyreThe Oxford CO2 Tyre Repair Kit 2 will fit on to any Presta or Schrader valves. 3 of the canister will inflate 1 typical motorcycle tyre with ease.What's included:2 x 16g CO2 canisters1 x CO2 canister cover1 x regulating valvePlease note: This cannot repair tyres which have been cut or slashed open by a larger object, or which have suffered other catastrophic failures.Please note: Please note: This product is intended for use as a temporary repair only. Damaged tyres should be inspected and repaired to British Standard BS AU 159 as soon as possible.