Material of Bike Pedal: [body] aluminum alloy, [spindle] chromium-molybdenum steel, anti-rust and high strength. Each pedal is around 150g/5.3oz ultralight.
Road Bike Cleats: Bicycle cleats Perfectly compatible with Shimano SPD-SL pedals and shoes, 6 degree float allows riders to have some lateral movement on the bike and help you reduce the pain and fatigue.
Spindle Diameter: Standard 9/16-inch sturdy Chromoly steel axle bearing fits for most bikes. Self-lubricating bearings, maintenance-free.
Easy to Install: The cycling pedals are divided into left and right pedal. With threaded ring is for left, without threaded ring is for right. Turn the left pedal counterclockwise and turn the right one clockwise for installing.
Adjustable Tension Setting: Use 2.5mm allen key (included) to rotate the adjustment knob, "-" means loosen the tension, "+” means tighten the tension. (If it is tight to lock and unlock the cleats from pedals, adjust to the minimum tension)