BONMIXC Bike Pedals 9/16 Cycling Sealed Bearing Bicycle Pedals SEALED BEARINGS - Standard 9 / 16 inch CrMo steel spindle sealed bearing, fully enclosed design prevents water and dust from entering the shaft, protects the interior of the bearing and effectively prolongs the service life of the bicycle pedal ANTI-SKID NAILS - Double-sided Non-slip platform, 24pcs hexagon head bolts provide more friction and more adhesion, make the bicycle pedal more solid and reliable, effectively reduce the foot skidding, make cycling safer and let you enjoy the pleasure of riding SOLID METERIAL - High-strength AL6061 aluminum alloy material provides the bike pedals more durability, surface treatment process of metal oxidation enhances the abrasion resistance, greatly reducing scratches and effectively protects the original color of bicycle pedals, makes it looks smooth and beautiful ULTRA WIDE - The bike pedal size and weight is 1.01x4.00x4.60inches, 0.43lb each, more fitted to the soles, the area-wide bicycle pedals provide a more comfortable ride experience, making the ride safer EASY TO INSTALL - L for left pedal, R for right pedal, screw thread is 9/16" and the diameter is 1.43cm, suitable for most mountain bikes, road bikes, BMX bikes, folding bikes, urban bikes, travel bikes, cyclo-cross bikes, fixed gear bikes, unicycles, scooters, e-bike etc.