Single speed bicycle freewheel 12 teeth design. Single speed bicycle freewheel 14 teeth design. Single speed bicycle freewheel 16 teeth design. Thread depth: 10.5mm. Inner hole:18mm.
Dolvitrny FOVNO Rear Derailleur Pulley Set – 12T/14T/16T Wide and Narrow Tooth Guide Wheels for 7-Speed to 12-Speed Bikes, For CNC Aluminum Alloy(14T)
Axorafow Fovno Rear Derailleur Pulley Set for 7–12-speed Bikes – For Cnc Aluminum Wide Narrow Tooth Guide Wheels (12T/14T/16T) 5mm Bore 8mm Thickness Lightweight 10–14g(12T)
Dolvitrny FOVNO Rear Derailleur Pulley Set – 12T/14T/16T Wide and Narrow Tooth Guide Wheels for 7-Speed to 12-Speed Bikes, For CNC Aluminum Alloy(12T)
12T 14T 16T Teeth 34MM Single Speed Freewheel Flywheel Sprocket Bicycle Gear UK,
Single Speed 12T 14T 16T Bronze BMX Freewheel Bicycle Cog Sprocket Air Bike UK