Road Bike Bicycle Aluminum Alloy Platform Pedals, Mountain Bike Pedals, CNC Steel Axle 9/16", iParaAiluRy Material:Aluminium alloy + Steel Axle, color:Red Size:87*80*20mm,Weight:305g / pair, Spindle: 9/16" Bearing:DU,can bear more than 120kg of wieght in total The pedals are designed for mountain bike riding,road bike riding and folding bike riding, downhill bike riding or stunt riding are not recommended Quality Gauranteed,we put 80kg of weight on each pedal, then rotated it 100 rev / min, the pedals rotated 1 million times without any wear and tear!