FC-700 DESCRIPTION FC-700 is designed concise, It has and streamlines crank arm and One-piece of CNC chainring with the chain guard It is best to use for commuting 、 folding 、 fixed gear bike. SPECS FC-700 Model FC-700 Chain Ring Alloy CNC With C.G. ; 45T , 47T , 53T BCD 130 ColorSilver / Black Flamingo reserves the right to change technical specifications above without prior notification.