Brand: PROMEND Product Name: High speed bicycle pedal Model: M29 Weight: About 310g Color: Black Matte Material: Aluminum Alloy Body, Chrome Molybdenum Steel Shaft Size:about123*100*18mm Installation dimensions:9/16" Apply to:MTB Bike/Road Bike/BMX Racing R27 : Weight: About 260g(1 pair) Size: 10.5 * 9.1 * 1.8cm Material: aluminum alloy frame Bearing: DU bearing R27 DU: uses DU bearing, strong durability and tough, suitable for daily leisure R67: Weight: About 272g (1 pair) Size: 10. * 9.1 * 1.8cm Material: aluminum alloy frame Bearing: 3 Palin bearings R67: uses 3 bearings, improves the lubrication; change the shaft core into chrome molybdenum steel shaft core, has strong strength and -light weight Features:1. With aluminum alloy body which is lightweight and highly resistant. 2. The large grip of the floor allows the foot to more safely and features better pedaling performance. 3. It is affordable and popular among most consumers. 4. It is simple to maintain and durable that you want to use. NOTE:The new pedal bearing will be a little tight, because the lubricating oil inside the bearing has not run yet, and the pedal will be very lubricated after cycling for a period of time Pedal surface:The large pedal area features extended contact surface and wonderful pedaling performance. It can convert the performance of pedaling to the kinetic energy of the bike foot to the maximum. With matte black varnish stoving. Non-slip clips on the surface: Clips can provide sufficient fixing foot. There are 8 PCS non-slip column type clamps on both sides of the pedal. The columns are non-replaceable. Closed-type lubrication bearings: With the dual DU self-lubricating design, the pedal has good lubrication, easy maintenance and is waterproof and dustproof.