Aoske Road Bike Pedals Skid-proof Sealed Bearing Bicycle Pedals 9/16" Road bike pedals is in solid structure and high strength with top-grade aluminum alloy and Chromium-Molybdenum Steel. Comfortable and anti-slip: The single side parallel cone anti-slip nails design, effectively enhance the friction between sole and pedal when riding, suit for all kinds of cycling way; 4.5 MM unique sleek anti-skid studs for good anti-slip and do not cut your feet, fully boost the comfortable sensation of riding. Exquisitely designed into 9/16"" thread size, it perfectly fits for three-piece cranks. Durable steel axle construction, high-strength body. For Bike Type: Road Bike - Touring, Track Bike, Unicycle, Urban Bike - Fixed Gea.