This valve adapter set is designed to meet the needs of cyclists and motorcyclists who require a reliable and efficient way to inflate their tires. The adapters are making it easy to switch between different types of bikes. The set is also ideal for use with air compressors, providing a convenient solution for all your inflation needs. 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 design: the valve adapter makes it simple to connect bicycle valves to motorcycle air pumps, enhancing convenience for cyclists -Wide compatibility: suitable for valves, this adapter meets the needs of various bicycle types -High durability: constructed from durable materials, it ensures performance and resistance to damage -Compact and easy to carry: its small size and lightweight nature make it a addition to your bike kit, ready for use anytime -Rapid inflation: the efficient design allows for quick tire inflation, minimizing the time required for maintenance Package list: 1 x set of Bicycle valve adapter(include 21 pieces)