Features： 1、Bicycle Pedals on Both Sides: One side is the traditional flat pedal mode, suitable for ordinary shoes, and the other side is for SPD step in design lock pedal self locking mode, suitable for SPD cycling shoes. With for SPD nonslip nails. 2、Built in Three Bearings Structure: Built in three high speed bearings, improve pedal stability, cycling lubrication more effort. 3、Sealed Bearing: Waterproof and dustproof aluminum alloy dust cover, pedals are made of aluminum alloy, so there is no need to worry about the rust of the pedals. 4、For SPD System for Pedal Lock: Lock pedal riding improves riding efficiency, and the lock pedal is also equipped with a lock pedal installation tool for a better riding experience. 5、Universal Screw Port: Bicycle universal thread mouth, stable fitting, not easy to loosen during riding, using 8MM inner hex wrench can be installed and disassembled. 6、Left and Right Foot Distinction: There are left and right distinguishing letters engraved on the outer layer of the pedal axis, L is the left foot, R is the right foot. 7、Wide Range of Uses: 9/16 inch standrad spindles are suitable for BMX, mountain bikes, folding bikes, touring bikes, city bikes, etc. Specification： Item Type: Bicycle Lock Plate Weight: Approx.590g/20.8oz Size: Approx. 106x92mm/4.2x3.6in Thread Specification: Standard 14mm/0.6in Material: Aluminum Alloy Body + Chromium Molybdenum Steel Shaft Package List： 2 x Pedal 2 x Lock Plate 2 x Lock Plate Washer 4 x Lock Plate Screw 4 x Thin Washer 4 x Antislip Screw 1 x Flat Hex Wrench 2 x Hex Wrench 1 x English Manual