[SPD BIKE PEDAL]-The twin sided SPD pedals mean clipping in is easy, and the cleat uses a two bolt system and is recessed into the shoe which allows for easy walking off the bike. Once you gets the hang of clipping in and out, clipless pedals provide a comfortable over long durations. No considerations are required on foot placement as is seen in flat pedals. [MATERIAL &SIZE]- This Clipless Pedals was made with CNC integration aluminum alloy material , high strength and long durability ,3.77x2.6x1.33 inches, L for left pedal, R for right pedal. Standard 9/16 inch screw thread sturdy axle bearing, Weight: 12.87oz (365g)/pair [SEALEDBEARING]- Fully sealed bearing Mountain bike pedals can the stability and reliability of the pedals while protecting the spindle from water and dust. which great durability and anti-corrosion. Keep pedals spin and without noise. Allowing you to enjoy worry-free riding anytime, anywhere. [EASY TO INSTALL]- The bicycle pedals have a clear mark to identify the installation direction. "L" for left pedal, "R" for right pedal. No longer to worry about being unable to distinguish the direction of pedals!International standard 9/16inch inch screw thread fits for most brand bikes, for , , mountain [EASY CLIP IN/CLIP OUT]- Adjustable entry and release tension settings, the cleats tension of the bike pedals could be adjusted by the screw on the side of the pedal. Clipping in and out is very easy after you adjust the tension to your . Professional level pedals perfect clip in . Colour:black Material:Aluminum alloy + chrome molybdenum steel Size: 101 x 15 x 118mm Package Contents: 2 x Pedals 2 x Cleats 4 x Screws 2 x wrench 2 x Fixing Plate 4 x washers 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.