Throttle ValvesDescription:Long life Make of premium quality Rubber/Brass Stem45 Angled valve stem: Suitable for many electric scooters, Motorcycles, dirt bikes and other small wheel vehicles with rime hole 11.5mm , High performance and reliability Specification:Applicable: motorcycleMaterial: aluminum alloy + natural rubber (including valve core and cap)Bottom Size: Small 12mm, Medium 14mm, Large 15mmPackage Includes:Valve x2Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.