[PROTECT YOUR KNEE]: Extended 16mm, the footrest extender form the crank gives you a comfortable riding, avoid your keel or leg scratch with your bike. Used with knees that track outside the pedal by adding length to the pedal axle, prevents knee strain, and reduces rubbing against the rear tire or frame[EASY TO USE AND INSTALL]: our bike pedal extender tools are featured by L and R markings, easy to distinguish the right and left extenders, convenient for people to use, helping you adjust the bike quickly and effectively[CHROME-MOLYBDENUM STEEL]: The bike pedal extenders are made of high-quality chrome-molybdenum steel, waterproof, anti-rust, anti-corrosive and has a long service lifeBasic and important part: this extended pedal spacer is basic and significant for you, allow you to extend your pedal axis with no difficulty, help you adjust your riding stance and will allow cycling a more natural position[WIDE APPLICATION]: bicycle pedal extenders allow you to attach this set includes any standard 9/16 in threaded pedals bike, SPD, MT, BMX, cruiser, dirt jumper, folding, hybrid/comfort, mountain, downhill bikes, folding bike, tricycle, Racing bike.Specifications: 16mmcolour: multicolorMaterial: Chrome Molybdenum SteelPackage Contents:2 x bike pedal extendersOnly the above package content, other products are not included.Note: Light shooting 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.