Yes — the Rocket 18T Chrome Plated freewheel is a basic single-speed threaded freewheel commonly used on BMX, cruiser, urban, and retro single-speed bicycles.
It is designed to thread onto standard ISO/BSC rear hubs and typically works with:
- BMX bikes
- single-speed conversions
- fixie/freewheel setups
- classic 20-inch bicycles
- some commuter and urban bikes
A typical 18T freewheel provides a balanced gear ratio that favors: