DMR Colt DJ Rear Hub - Black
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Product Information
Full details
The DMR Colt DJ Rear Hub is for custom wheel builders and single-speed enthusiasts looking for a durable and responsive centerpiece for their build. Its key benefit is the combination of a strong, lightweight aluminum shell with a precise 5-pawl freehub for rapid engagement. A potential consideration is its specific configuration, which is optimized for single-speed setups and disc brakes.
All features
| Model Part Number | 5055308130770 |
|---|---|
| Brand | DMR |
Extended Product Information
FAQs
What type of drivetrain is this hub designed for?
The DMR Colt DJ Rear Hub is specifically designed for single-speed drivetrains.
What is the axle size and type?
It features a 135mm nutted axle.
Does this hub come with a cassette body for geared systems?
No, this is a single-speed freehub body. It is not compatible with multi-speed cassettes.
What is included with the hub?
The hub includes a 14t sprocket, cassette spacers, and a lockring for single-speed setup.
Can I use this hub with disc brakes?
Yes, it features standard six-bolt disc brake rotor mounting.
How many spokes does the hub accommodate?
The hub has 36 hole drilling, suitable for most standard wheel builds.
What is the weight of the hub?
The DMR Colt DJ Rear Hub weighs approximately 488g.
Troubleshooting
Freehub is not engaging or making noise
Ensure the lockring is securely tightened. If the issue persists, the freehub mechanism may require servicing or replacement of pawls/springs.
Wheel feels loose or wobbly
Check and tighten the axle nuts. Ensure the wheel is seated correctly in the frame dropouts.
Disc rotor is rubbing
Verify the rotor is mounted correctly and securely. Check that the frame and fork are aligned and not causing undue stress on the brake caliper or rotor.
Bearings feel rough or gritty
While sealed, bearings can eventually wear. If cleaning doesn't resolve the issue, the sealed cartridge bearings may need to be replaced.
Pros and Cons
Pros
- Durable construction with CNC aluminum shell.
- Fast and reliable engagement via the 5-pawl system.
- Smooth rolling and longevity from sealed cartridge bearings.
- Optimized for strength and reduced flex.
- Includes essential extras like a 14t sprocket, spacers, and lockring.
Cons
- Primarily designed for single-speed setups, limiting geared applications.
- Nutted axle may require specific tools for removal/installation compared to quick-release.
- Weight (488g) may be higher than some ultralight performance hubs.
- Limited to 6-bolt disc brake mounting.
Setup, Compatibility & Care
Setup: The DMR Colt DJ Rear Hub features a 135mm nutted axle. Ensure your frame's rear dropout spacing is compatible. Installation involves mounting the wheel securely into the frame dropouts using the provided nuts. The hub includes a 14t sprocket, cassette spacers, and lockring for a single-speed setup. Install these components onto the freehub body in the desired order for your chainline. Ensure the lockring is tightened appropriately to prevent loosening. Disc brake rotors attach via the standard 6-bolt pattern.
Compatibility: This hub is designed for single-speed drivetrains and is compatible with 6-bolt disc brake rotors. It is intended for frames with a 135mm rear dropout width. The 36-hole drilling is standard for most durable wheel builds.
Care: To maintain optimal performance and longevity, regularly clean the hub exterior with a damp cloth. Periodically check that the axle nuts are secure. While the cartridge bearings are sealed, avoid high-pressure water jets directed at the bearings. If you notice increased drag or noise, professional servicing or replacement of the sealed cartridge bearings may be required.