Mellbree 6-Pack Tyre Valve Extension Adaptor, 45 Degree 90 Degree 135 Degree Metal Valve Stem Extension Adaptor Compatible for Passenger Cars, Stroller, Bicycles, Motorcycles, Trailers and RV.

Product Specification Angles: 2 X 45 degree, 2 X 90 degree, 2 X 135 degree. 45 degree: The long side is 1. 4inch/3. 5cm, The short side is 1inch/2. 5cm. 90 degree: The long side is 1. 4inch/3. 5cm, The short side is 1inch/2. 5cm. 135 degree: The long side is 1. 6inch/4cm, The short side is 0. 9inch/2. 2cm. Warning Before driving, it is recommended to remove the schrader valve extension from the tire. The design of the stem extension is not suitable for wheels in highspeed operation. Highspeed rotation and vibration may cause loosening and air leakage risks. For your safety and user experience considerations, be sure to tighten the threads on the valve core, and the cap on the valve core also needs to be tightened before it can exert its airtight effect.