PROMEND Product Name: Bicycle pedal Model: M29 Weight: 310g Color: matte black Material: aluminum alloy body, chrome molybdenum steel core Size: 123*100*18mm Foot structure: 1. Foot surface: wide tread surface, powerful pedaling performance, large contact area, stepping kinetic energy of the footsteps is converted into kinetic energy of the bicycle forward, and the painted surface is frosted black. 2, surface anti-slip nail: with nail column design, give the foot full adhesion, there are 8 studs on both sides of the pedal, the nail column can not be replaced. 3, closed self-lubricating bearing: double DU self-lubricating design, good lubrication effect, rainproof and dustproof, easy to maintain. advantage: