Features: Make of Aluminum alloys, light weight, corrosion resistance and Enduring. High hardness, keep your wheel in good condition for long terms. Small in size, convenient to store and carry. The bicycles nipples is bright in colour and will not fade, and the appearance is exquisites. Suitable for spokes with a diameter of 2mm, and is widely used in small wheel, road bikes, fold bikes, mountain road bikes and other models. Specifications: Materials: Aluminum alloys Color: Black/Redness/Blue/Green/Gold/Purpleness/Silver Size: about 14x3.2mm/0.55x0.13inch Applicable spoke diameter: about 2mm/0.08inch Package Includes: 10Pcs Mountain Bike Spoke Caps note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.