ENLEE R5 1pair Mountain Bike Pedals Bicycle Cycling Wider Non-Slip Footrest Bearing(Red)1. Material: aluminum alloy 2. Sealed bearings are more lubricated, improve smoothness and turn without pressure 3. Stainless steel anti slip nails on both sides of the pedals, strong grip, rounded surface does not hurt the shoes anti slip, can be disassembled and replaced after wear and tear 4. Chromium molybdenum steel shaft, strong load bearing, no breakage 5. Large pedal surface design, pedal more energy, fit the soles of the feet to ride better