F451 carbon fiber folding mountain bike
Frame: F451 high modulus carbon fiber/new folding/Inside line/bright paint /UV laser color drawing mark
Dial: S700-22 speed
Front dial: RIVAL
Rear dial: RIVAL-11 speed
Tooth tray: RS light weight aluminum alloy hollow 34-50T
Flywheel: SUGEK-11 speed,11-30T
Chain: YBN-11 speed