Features:- Convert your Presta valve to Schrader valve- Have the Schrader valve advantages without drilling the rim- Easier to inflate- Filling sealant easily- No risk of break the Presta valve core- Easier tubeless installation- Patent pendingInstallation instructions:- Remove the valve core with the core remover tool (provided)- Screw the convertor on the valve- Inflate and rideThe products Includes:- Valve Convertor - 2 pcs- Spare Schrader valve core - 1 pcs- Presta valve core remover tool - 1 pcs- Schrader valve core remover tool - 1 pcs- Schrader valves caps - 2 pcs