6 DEGREE floating pedal Cleat system with all the mounting hardware, helps your feet/ankles/legs assume a more comfortable position during the riding and holding your feet to the road bike pedals. Each road bike cleat is only 0.9oz weight and made of durable material nylon and silica gel.The cleats with silica gel can increase friction,effective anti-slip. 100% SPD-SL compatible and high traction walking surface,Durable, this bike cleat set is suitable for long distance riding. Self-aligning mode, Easy to install,easy in and out, fully leveraging for athletic competition,fit for most road cycling shoes with three holes. 6 DEGREE floating is basically a design feature that allows your feet to rotate a bit laterally, while they're securely clipped in. This helps your feet feel much more secure and free, thus less strain in your knees. Easy in and out, easy to install, use the screwdriver to screw the cleats on your road bike shoes and pedals. Front and rear of the cleats can be quick Self-locking and replacement. They have a larger surface area for more power transfer to the pedals, which means you go faster Also what is nice about these cleats is they are made from a high quality hard plastic/rubber type material on the bottom, so you would not worried about scratching up the floors when walking with your shoes on inside. Big Improvment with your pedals.Durable material Nylon and Silica Gel can increase friction,effective anti-slip.When walking on hard floors they are pretty quiet and comfotable . Packing list : 2 x 6 degree float Pedal Cleat 6 x Screw 6 x Gasket TIPS: The cleats with all the necessary washers and bolts to go right into your SPD-SL compatible shoe. Please make sure to do your research and align them properly, or you'll have foot problems. Plese re-check bolt tightness before going out on a long ride, or you might lose some of them while cycling. When you started using them at the first time, these Self-locking Cycling Pedal Cleats may not be so smooth, please adjust a few times to find their best points.