Bucklos mountain bike pedals are made of hard aluminum alloy, which is hard, wear-resistant, scratch-resistant, not easy to deform and has a long service life。Flat pedal is equipped with sealed chromium-molybdenum steel bearings, which are waterproof and dustproof. During riding, the bearings rotate smoothly, quietly and stably.The side of each bucklos bicycle platform pedal is equipped with reflective plates, making night cycling safer and worry-free Pedal: Brand: BUCKLOS Name: 2DU/DU+Bearing/3 Bearings Pedals Color:Blue+Black/Red+Black/Purple+Black/Titanium+Black/Red+Multicolor Size: 104mm X104mm Standard thread: 9/16" Material: DU+Bearing/3Bearings: Aluminum Alloy Material + Chromium-molybdenum Steel Bearings 2DU: Aluminum alloy + Boron Weight(1 pair): 368g(2DU)/353g(DU+Bearing)/364g.