?Aluminum Alloy Material? The axle of bicycle pedals is made of chromoly steel. The footrest is precision CNC-Cut made of high-strength aluminum, the whole body of the pedal is pressed out of one piece and the surface treatment is anodizing chrome plating, which prolongs the life of the product considerably. ?3 Lubricated Sealed Bearings? All bearings are sealed, so no dirt can penetrate. The rolling friction resistance of the 3 bearings is less, making the rotation of the ride smoother and improving the conversion efficiency. ?Bigger but Lighter? Size: 3.85in*4.3in(97.7mm*109.5mm). With 12 Anti-skid pins per pedal side, the pedal is only 0.33 ponds(150g) in weight per piece. The interchangeable non-slip pins provide plenty of grip and stability, offering you a comfortable and safer experience. ?Universal Pedal Thread? Standard 9/16 "spindle is suitable for mountain bike, road bike, trekking bike, tandem, track bike, city bike, cross bike, dirt bike, etc. The installation is super simple with the left and right markings. L is for left pedal, and R is for right Pedal. ?Good Quality and Good Service? Lifetime after-sale service are offered from the date of purchase. If you have any questions, please feel free to come to us. Attention: CYCPLUS is the only store which have the right to sell this product on Amazon and ONLY buy it from CYCPLUS store can enjoy high-quality after-sale service