Designed for convenience and efficiency, this valve adapter set is for any cyclist or motorcyclist. The adapters are easy to use and can be quickly attached to your pump, allowing for fast and easy inflation. 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 connection: this valve adapter makes it easy to connect bicycle valves to motorcycle air pumps, simplifying the inflation process - design: compatible with valves, it meets the needs of various bicycle models -Durable: made from durable materials, it ensures use and resistance to wear -Portable size: its compact and lightweight design makes it easy to carry, allowing for convenient tire inflation anywhere -Quick inflation: the efficient design enables fast tire inflation, saving time during maintenance Package list: 1 x set of Bicycle valve adapter(include 21 pieces)