Material: Magnesium Alloy Pedal Body, Lighter Than Other Materials, But More Comfortable To Ride, More Stable And Stronger, Long Service Life. Axle Made Of Durable Chrome Molybdenum Steel.Size And Weight: Pedals Body Size: 101Mm X 93Mm X 32Mm; Weight: About 400G/Pair. These Pedals Are Thicker Than Others, The Flat Pedal Design Provides The Best Contact Surface Between Your Feet And The Bike, And It'S Strong Enough To Withstand Pedaling Force And Occasional Knocks. Improve Your Riding Experience And Overall Efficiency.Advanced Bearing: Smooth And Non-Slip, It Is More Tolerant Of Dirt Than Ball Bearings Without Additional Lubrication.Standard Axle: 1.4Cm Axle , With International Screw Thread - Suitable For Bmx, Cruiser, Cyclocross, Dirt Jumper, Folding Bike, Mountain Bike, Road Bike, Track Bike, City Bike, Unicycle, Urban Bike. Don'T Worry About Driving While Loosening - Greatly Improves Driving Safety. Non-Slip And Easy To Install: Each Pedal With Anti-Slip Studs Provides Safe Driving On Rainy Days, Features Excellent Anti-Slip Resistance And Excellent Grip, Helps Anchor Your Foot Better And Makes Your Ride Easier And Stress-Free. Extra Wide Platform Offering Better Grip And More Comfort. Easy Installation, "L" Mark For Left Side And "R" For Right Side.