Description: Made of aluminum alloy body and satin steel spindle, durable and long service life. International standard 9/16 inch screw thread, great replacement accessories for mountain bike, road bike or folding bike. CNC cutting technology, steel spindle, sealed bearing, waterproof and dustproof. Double-sided anti-skid platform provides greater friction and greater adhesion, anti-skid, making riding safer. Structure sealing ring effectively reduces water and foreign matter entering the pedal interior and prolongs pedal life. Specification: Material: Aluminum Alloy, Steel Pedal Height: 109mm/4.29inch Pedal Width: 63mm/2.48inch Spindle length: 46mm/1.81inch Weight: 315g (1 Pair) Package Includes: 1 Pair Pedals Note: 1. Checking the 'L' and 'R' marking before you install this cycling pedals. 2. Installation requires the M6 Allen wrench tool. 3. Add some grease to the spindle before Installing. 4. Turn clockwise to tighten the right pedal. 5. Turn counterclockwise to tighten the left pedal.