Description: Material: Made of brass, not easy to rust and durable. Bicycle Spoke Caps: This caps is used for protecting bicycle spokes, which will prevent from damaging and sliding, easy to assemble and disassemble. Portable: Small size, easy to store and carry, includes 50 spoke nipples, can meet your different needs. Spoke Decoration: Embellish your bicycle spokes and makes them different, refit your bicycle look in great extent. Application: Suitable for various bicycle, such as road bike, mountain bicycle, BMX, and etc. Specification: Material: Brass Size: (Optional) 13G: Length Approx. 1.3cm/0.51inch Suitable for 2.3mm/0.09inch diameter spokes 14G: Length Approx. 1.2cm/0.47inch Suitable for 2mm/0.08inch diameter spokes 14G: Length Approx. 16mm Suitable for 2mm/0.08inch diameter spokes Package Includes: 50 Bike Spoke Nipples(3 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!