Wheel Master 20" Rear BMX Wheel – 406 x 24mm – Freewheel – 3/8" Axle – Black
This Wheel Master 20" rear BMX wheel is a durable replacement wheel designed for single-speed BMX bikes and youth bikes that use a threaded freewheel drivetrain. It features a double-wall alloy rim and a traditional bolt-on BMX axle, making it a reliable option for replacing a damaged or worn rear wheel.
Built with a 36-spoke double-wall rim and a 110mm rear hub spacing, this wheel fits many entry-level BMX bikes, park bikes, and neighborhood riders that use rim brakes and a threaded freewheel.
Key Functional Details
- Wheel size: 20"
- ISO / BSD: 406
- Internal rim width: 24mm
- Rim model: WEI DM30
- Double wall aluminum rim
- Rear wheel
- Hub model: Black Ops MX-2000
- Hub spacing (O.L.D.): 110mm
- Axle type: 3/8" bolt-on
- Spoke count: 36H
- Spokes: 14G black
- Brake type: Rim brake
- Drivetrain: Threaded freewheel compatible
- Valve type: Schrader (SV)
- Color: Black rim and hub
- Platform Type: BMX
Compatibility & Technical Notes
- Fits BMX bikes using 20" wheels (ISO 406)
- Rear hub spacing: 110mm
- Axle type: 3/8" bolt-on axle
- Designed for threaded freewheel drivetrains
- Brake compatibility: Rim brake only
- Does NOT support disc brakes
- Does NOT support cassette drivetrains
- Requires a threaded freewheel (not included)
- Tube type rim – not tubeless compatible
- Platform Type: BMX / youth BMX / recreational BMX
Service / Ownership Context
This wheel is commonly used as a replacement for damaged BMX rear wheels on youth bikes or entry-level freestyle bikes. Installation requires transferring or installing a threaded freewheel and installing the wheel with axle nuts into a 110mm BMX frame dropout.
Fit & Use Signals
- Good Fit: Your BMX bike uses a 20" rear wheel with a threaded freewheel.
- Good Fit: Your frame has 110mm rear dropout spacing.
- Good Fit: Your bike uses rim brakes.
- Not A Fit: Bikes with cassette hubs.
- Not A Fit: Disc brake BMX or MTB bikes.
- Not A Fit: Frames using 14mm BMX race or freestyle axles.
