Left and right pedal extenders can be easily identified by the unique L and R markings. For those with a naturally wide stance, they can prevent knee strain and rubbing against the rear tire/frame. Made of chrome-molybdenum steel (style 1) or titanium alloy (style 2) material, this pair of pedal extenders are durable and wear-resistant. The length of these pedal extenders are 3.2cm, the width are 1.8cm and the height are 1.8cm. They are suitable for mountain bikes, downhill bikes, folding bikes, racing bikes and so on. Item Name: Pedal Extenders Material:Titanium Alloy,Chromium Molybdenum Steel Axle Core Specifications: 9/16 Inch Extend The Pedal Axis Distance: About 20mm Size:3.2cmx1.8cmx1.8cm/1.26inx0.71inx0.71in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 X Pedal Extenders (Left + Right)