UK 0-1 day dispatch√48h Delivery at the earliest Model:R36 Weight: About 285.6G(1 pair) Size: 9.2*7.3*1.6cm Material: aluminum alloy Color:Black/Silver Bearing: DU bearing Installation dimensions:9/16" R36DU: uses DU bearing, strong durability and tough, suitable for daily leisure Disadvantage: DU bearing, The new pedal will be very tight and difficult to rotate, and the lubricity will increase after running-in; if you mind, please do not buy 1. The large grip of the floor allows the foot to more safely and features better pedaling performance. 2. It is affordable and popular among most consumers. 3. It is simple to maintain and durable that you want to use.