ROCKBROS lightweight and durable platform bike pedals, aluminum SPECIFICATIONS: designed for everyday recreational and MTB riding weight: 303/pair Axle diameter: 9/16 Size: 12 x 10.4 x 1.75 cm material: CNC anodized aluminum durable 9/16 Cr-Mo steel axle pedal markings: L and R anti-slip pins on each side sealed machine bearings FEATURES: Sealed bearings - the pedals use sealed bearings, making them waterproof and dustproof. Light and comfortable - each pedal weighs only 151 g, so our bicycle pedals provide long-lasting riding comfort and increase pedaling efficiency. Easy assembly - Our bicycle pedals are easy to assemble and maintain. The letter L indicates left, and the letter R indicates right. Wide Footplate - The 10.4 cm wide pedal surface fits most foot sizes and provides greater stability. Standard 9/16 - The standard 9/16 thread fits most bikes without any problems. Such as BMX, road bike, MTB, city bike, folding bike, etc. Anti-slip and excellent grips - Each pedal has 16 pieces of anti-slip nails, provide good grip even in wet and muddy environments.