THE RATIO IS GOOD AS YOU CAN SEE THE LARGEST COG IS 28 TEETH GOING DOWN TO THE SMALLEST WITH 14 TEETH.
6 SPEED BIKE CYCLE FREEWHEEL GEAR & CHAIN MOUNTAIN BICYCLE
Shimano RD-TZ500 6 Speed Direct-Mount 6 Speed Rear Bike Derailleur
26" MOUNTAIN BIKE 6 SPEED REAR WHEEL, 6 SPEED FW FITTED, DISC AND RIM BRAKE
KMC Z6 6 Speed Chain 5/6 Speed Derailleur Systems 114 Links SRAM Fit Shimano
WALPLUS Kids Bike 20'' 6-Speed for 6-11 Years Old Dark Blue Child Bicycle
