Wheel Master 20″ Alloy BMX Rear Wheel – Double Wall, 9T Driver, Bolt-On
This Wheel Master 20-inch BMX rear wheel is a durable, service-friendly replacement for BMX and freestyle bikes using rim brakes and a single-speed drivetrain. Built with a double-wall alloy rim and a 9-tooth driver hub, it’s designed for everyday riding, practice, and general BMX use.
This wheel focuses on strength, straightforward compatibility, and ease of service rather than lightweight performance or cassette-style drivetrains.
Key Functional Details
- 20″ double-wall alloy rim for improved strength and impact resistance
- 36-spoke build with 14G black spokes for durability
- BkOps MX-2050 rear hub with integrated 9-tooth driver
- Bolt-on axle design for secure wheel retention
- Traditional tube-type rim using Schrader valve drilling
Compatibility & Technical Notes
- Wheel position: Rear only
- Wheel size: 20″ (ISO 406)
- Rim internal width: 24mm
- Axle type: Bolt-on (3/8″)
- Rear hub spacing (O.L.D.): 110mm
- Drivetrain: Single-speed with 9T driver
- Brake type: Rim brake only
- Valve type: Schrader (SV)
- Tube-only rim (not tubeless compatible)
- Not compatible with cassette hubs or multi-speed drivetrains
- Not compatible with disc brake frames
Service / Ownership Context
This wheel is intended for straightforward BMX ownership. Axle nuts should be properly torqued to prevent axle slip. Spoke tension and rim condition should be checked periodically, especially after hard landings or frequent riding. The integrated driver simplifies drivetrain setup compared to cassette systems.
Fit & Use Signals
- Good fit if your bike uses a 20″ rear wheel with rim brakes
- Good fit for single-speed BMX and freestyle bikes
- Good fit for riders who want a simple, durable replacement wheel
- Not a fit for disc brake BMX frames
- Not a fit for multi-speed or cassette-based drivetrains
