High-Quality Material: Made from premium Titanium, these washers offer durability and resistance, ideal for both mountain and road bikes. Universal Compatibility: Suitable for all types of bicycles, these M5 washers a for both 5mm bolts Design: Specifically engineered to be , these spacers reduce the overall weight of your bike Package Contents: Each set includes 10 pieces, providing and convenience for routine maintenance and upgrades. Application: Ideal for adjusting your bike's bolt tension with precision Product information: Condition: 100% new Material: Titanium Alloy Model: M5 ID size: 5mm OD size: 8.5mm thickness size: 1mm Weight / pcs: 0.14g Color: Multicolor Package Contents: 10 x titanium alloy washer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.