Features:1. Protect your knees, extend the crank, make you comfortable riding, and prevent your bicycle from scratching the keel or legs. By increasing the length of the pedal shaft, it is used with the knee tracked on the outside of the pedal to prevent knee strain and reduce friction with the rear tire or frame.2, Easy to use and install, please pay attention to distinguish the left and right when installing, the principle of tightening the front and loosening the back, that is, the direction of the front wheel is tight, and the direction of the rear wheel is loose, and a thin open-end wrench is required for installation.3. The bicycle pedal extender is made of high-quality titanium alloy, which is waterproof, rust-proof, anti-corrosion, and has a long service life.4. Widely used, bicycle pedal extender allows you to connect this kit. It is suitable for quick-release pedals. After removal, they can be placed on the frame. After matching the spacers for the conversion of M5 screws, they can be installed on any m5 screw holes, including pedals. Bicycles, cruisers, off-road vehicles, folding bikes, hybrid/comfort, mountain bikes, downhill bikes, folding bikes, tricycles, racing bikes.5. Installing a bicycle pedal extender can help you adjust your riding posture and make riding more natural. They perform equally well on long-distance travel.Specifications:Material:Titanium AlloyColor: Black/Colorful/Gold/SilverSize: 30.5*23*14mmNet weight: titanium alloy 38.1gPackage Included: 1pair * bike pedal extendersNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement