Dual function: These bicycle pedals can not only ride with buckle-free shoes (equipped with washers * 2), and are compatible with all SPD bicycle pedal systems; the other side is used as a normal aluminum pedal with cleats, which is very suitable for road and mountain bikes , Tourism, hiking bicycles. CNC high-quality bicycle pedals: Our mountain bicycle pedals are made of CNC integrated aluminum alloy body, which is more durable. More importantly, the sealed bearing bicycle pedal protects the main shaft from water and dust, allowing you to enjoy riding anytime, anywhere without worries. Wide platform and super grip: The aluminum body is relatively large. It ensures better riding stability. In addition, the stainless steel cleats on the side of the mountain bike pedal provide you with a good grip. We also have marks on the left and right of the pedal, left, right, and right. Smooth bearings: Sealed bearings are smooth and durable. The washer design prevents water, dust or sand from entering the bicycle pedals to avoid noise. In addition, the outer surface of the intermediate bearing is also protected by aluminum alloy. The international standard 9/16 inch (approximately 2.9 cm) screw thread is suitable for most bicycles. Colour: black Material: Aluminum alloy + chromium molybdenum steel Size: 103x98mm Package Contents: 2 pair * Bike Pedals 4 * Screw locking plates 4 * SPD locking plates 8 * Screws Only the above package content, other products are not included. Note: Light 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.