Folding Bike Easy Wheel for Aluminum Alloy Easywheel Ultralight Sealed Bearing Push Wheels Bicycle P 100% Band and high quality Using high quality Bearings, More Smooth And Quick Response, spider wheel design, Do Not Worry About The Bearing Will Rub The Edge And Cause Abnormal Noise, Enlarge And Widen The Tire, Anti-Skid And Good Passing Performance. Application: Suitable For Brompton Folding Bike High Wear-resistant and excellent durability Easy to use and easy to install! Diameter: 64mm Weight:23.4g Colour:black/silver/Red/gold Material:Aluminum alloy Package Contents: 1 x folding bike Easywheel 1 x screws Only the above package content, other products are not included. Note: Light shooting 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.