MODEL: REVOLT 4.0
SPEED: 21S
FRAME: STEEL
SIZE：26''
FORK: M-20
CHAINWHEEL&CRANK: GS-S3S25P61 GOLDEN SWALLOW
F/R DERAILLEURE: SHIMANO ARDTX35D
SHIFTER: SHIMANO ARDTZ50GSDT
F/R BRAKE: YX-DB01 DISC BRAKE
F/R HUB: SF-A07FQR/RQR SHENGFU
FREEWHEEL: SHIMANO AMFTZ217428T
SADDLE: YUANYI QH1020
F/R TIRE: P1136 WANDA
