Freewheel cog (screw on type). Can use Shimano/falcon freewheel tool. Easy to install by screwing on by hand and pedaling will tighten this.
Sunrace Rear Freewheel R4 14-24T 6-Speed Gears Screw-On
Tiiyee 6 Speed Bicycle Freewheel, Cassette Freewheel 14-28 Tooth Sprocket Smooth Gear Change Upgrade Threaded Screw On Design Used for Mountain Bike Cycling Cassettes Free Wheel Hub Replacement Parts
Shimano MF-TZ500 6 Speed Bicycle Bike Freewheel 14- 28T Index - Screw On
6 SPEED MEGA RANGE SCREW ON FREEWHEEL CASSETTE 14/34 HI-RANGE SUIT SHIMANO GEARS
Quality Shimano Compatible ETC Mtb Cycle Bike Screw On Freewheel 6 Speed 14-28
6 Speed Freewheel - 14 - 28T Sprockets - Screw Fixing
