... .bright color and smooth surface 3.safe and environmental 4.ISO 9001:2000 bicycle pedals We are a big company in China ... : crank,pedal,saddle,tube,cotter pin,hub,freewheel,chain,steel ball,fork,derailleur,grip,handle bar,mudguards,axle,bar end,basket ... the goods are tested by quality control department before leaving factory,it has a good quality ,so it can be used ...