... bike,alloy frame,F-alloy caliper brake,Rear alloy Flip-Flop hub,16T fixed freewheel,Deep V 43MM alloy rim Track Bike, ... 700C09-1)Frame:700C*520/560/600mm alloy track bike frame Fork:700c hi-tensile steel 28. ... 6*25.4 threadless, straight blade 28.6*1.4t, w100mmHandle Bars:Alloy ... type track rimsRear Hub:Quando flip/flop alloy hub with 16tooth fixed cog and16 tooth ...