The bicycle valve adapter set is for those who need to switch between different valve types. Whether you're inflating a bike tire or a motorcycle tire, this kit has you covered. The adapters are easy to use and can be quickly attached to your pump, allowing for efficient and easy inflation. Ideal for both casual riders and serious cyclists. Features -Color:Assorted Color -Material:Copper, Plastic -Size:12.50X1.00X1.00cm/4.91X0.39X0.39in -Size:4.30X1.20X1.20cm/1.69X0.47X0.47in -Size:2.80X1.20X1.20cm/1.10X0.47X0.47in -Size:2.70X0.70X0.70cm/1.06X0.28X0.28in -Size:2.40X1.10X1.10cm/0.94X0.43X0.43in -Size:3.80X0.70X0.70cm/1.49X0.28X0.28in -Size:1.90X0.80X0.80cm/0.75X0.31X0.31in -Size:1.60X0.90X0.90cm/0.63X0.35X0.35in -Easy to use: this valve adapter simplifies the process of connecting bicycle valves to motorcycle air pumps, making it easy to use for all cyclists - compatibility: designed to work with valves, this adapter is for a wide range of bicycles -Durable construction: crafted from durable materials, it offers reliable performance and resistance to damage -Portable design: its compact size ensures it can be easily stored in your bike kit or pocket, ready for use whenever needed -Time saving inflation: the high efficiency design allows for inflation, reducing downtime and getting you back on the road quickly Package list: 1 x set of Bicycle valve adapter(include 21 pieces)