BOX Disc Brake Conversion Rear Wheel
Best performance upgrade for serious BMX riders.
This kit is the definitive upgrade for riders tired of rim brake limitations on their big-wheel BMX. You’re trading the simplicity of a standard setup for the immediate, high-engagement stopping power of a hydraulic system, turning a casual cruiser into a bike that actually handles aggressive riding.
$624.95
Who it's for
- Riders prioritizing reliable, consistent braking performance.
- Enthusiasts seeking to modernize their setup for competitive advantage.
- Riders valuing long-term wheel durability and reduced maintenance.
Who should skip it
- Riders with traditional BMX frames lacking disc brake tabs.
- Budget-conscious riders or those expecting a simple, all-in-one upgrade.
- Competitive racers where every gram impacts overall bike performance.
Performance breakdown
Stopping Power
Hydraulic disc conversion provides vastly superior modulation over traditional rim brakes.
Hub Engagement
120 points of engagement deliver near-instant power transfer for technical riding.
Build Durability
Double-wall rim and CNC machined components handle heavy street and park abuse.
Installation Complexity
Requires mechanical aptitude to align the adapter and bleed hydraulic lines.
Rolling Efficiency
Sealed bearings ensure smooth, low-friction rotation for sustained momentum.
Compatibility Range
Specific fitment requirements limit this to 3/8-inch horizontal axle BMX frames.
Key Specs
Hub width
110mm
Fits 3/8" horizontal axle
Fits 78mm disc caliper mount
Fits 160mm rotor
Material
100% CNC machined Aluminum
Made in USA
Hard Anodized
Laser etched
Brake Type
Hydraulic Disc Brake
Intended Use
BMX
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