bicycle crank 1.bicycle parts 2.fish:ED/CP 3.TEETH:24,28,32,36,42,44 bicycle crank We are a big company in China mainly manufacturing bike parts.Our products: crank,pedal,saddle,tube,cotter pin,hub,freewheel,chain,steel ball,fork,front and rear derailleur,grip,handle bar,mudguards,axle,bar end,basket,quick release,reflector,children bicycle,more than one hundred and sixty varieties of products.I' ...