... alloy frame 3) Handle bar: bullhorn type bar for fixed gear bike, alloy 4) Stem: alloy stem 5) Tire: ... B. parts 7) Hub: flip-flop hub, with fixed gear 16T and freewheel 8) Crank: alloy crank, 5 arms ... steel/hi-ten bicycle and parts ,kid’s bicycle and gear bicycle , such as bicycle frame, front fork, handlebar, ... will bring you more profits.NOTE :The wiped up part is the brand or logo ,not blemish spot on ...