Freewheel cog (screw on type). Easy to install by screwing on by hand and pedaling will tighten this.
Shimano MF-TZ500 6 Speed Bicycle Bike Freewheel 14- 28T Index - Screw On
Shimano RevoShift SL-RS35 Shifters 3/6 Speed Mountain Bike Twist Grip Shifters
Baldys 6 Speed 700c Road Racing Bike Rear Wheel BLACK Quick Release Hub
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
Carbon Bike Stem UD Matt 6/17° MTB Handlebar Stem 70-130mm Road Racing Bike Stem
