High Quality: Our bike pedal extenders are made of high-quality Titanium Alloy, waterproof, anti-rust, anti-corrosive and has a long service life.With Unique Marking: Right and left extenders are easily identifiable with unique L and R markings.How To Use: After use, the Space between the pedal and the frame can be extended by 16mm/20mm to protect and reduce the friction between your knees and legs and the crank, which can make your riding more comfortable.Function: The bicycle pedal extenders allow you to attach this set includes any standard 9/16 inch threaded pedals bike.type: A/B/C/D/E/Fcolour: multicolor/gold/blackMaterial: Titanium AlloyPackage Contents:4 x 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.