Wheels Manufacturing BB30 to 22/24mm Crank Adapter - WMBB30SRAM
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Product Information
Full details
The Wheels Manufacturing BB30 to 22/24mm Crank Adapter is an essential component for cyclists looking to install SRAM or Truvativ cranksets with 22/24mm stepped spindles into frames featuring a BB30 bottom bracket shell. Designed for precision and reliability, these adapters allow for seamless cross-brand compatibility, though they require existing 6806 bearings to be already installed in your frame to function correctly.
All features
| Model Part Number | WMBB30SRAM |
|---|---|
| Brand | Wheels Manufacturing |
Extended Product Information
FAQs
Will this work with Shimano cranks?
No, this adapter is specifically designed for SRAM/Truvativ cranks with 22/24mm stepped spindles.
Do I need special tools to install these?
No, a simple soft-faced mallet or a standard bearing press is sufficient for installation.
Can these be reused if I switch frames?
Yes, provided the adapters are removed carefully without damaging the bearing contact surface, they can be re-installed in a new frame.
Is grease required during installation?
Yes, applying a light coat of grease to the adapter contact surfaces helps prevent creaking and ensures a proper fit.
What is the weight of these adapters?
These adapters are extremely lightweight and add negligible mass to your bicycle drivetrain.
Troubleshooting
Crankset has lateral play after installation
Verify that the adapters are fully seated in the bearings and that the correct wave washers or spacers are used on the crank spindle.
Difficulty pressing adapters into bearings
Ensure the bearing inner races are clean, free of debris, and lightly greased. If they do not slide in, check for burrs on the adapter or bearing surfaces.
Creaking sound while pedaling
Remove the crank, clean the adapter-to-bearing interface, apply fresh bicycle-grade grease, and reinstall securely.
Pros and Cons
Pros
- Allows use of preferred SRAM/Truvativ cranks on BB30 frames
- High-quality machined construction ensures tight tolerances
- Simple, mechanical press-fit installation
- Versatile for both road and mountain bike applications
Cons
- Requires existing 6806 bearings installed in the BB30 shell
- Not compatible with cranksets other than 22/24mm SRAM/Truvativ
- Requires careful alignment during the installation process
Setup, Compatibility & Care
Before beginning installation, ensure your frame is equipped with standard 6806 bearings. To install, lightly grease the outer surface of the adapter and the inner race of the bearing. Using a soft-faced mallet or a gentle press, tap the adapters into the bearings until they are fully seated. Ensure that the adapters are flush against the bearing faces to prevent uneven wear. For maintenance, periodically check for any side-to-side movement in your crankset. If the cranks feel loose, inspect the adapters for wear and ensure they remain properly seated within the bearings. Avoid using harsh chemical solvents that could degrade the material or interfere with the bearing lubrication.