FSA BB90 TREK Madone Kit - Alloy Cranks
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Product Information
Full details
The FSA BB90 Trek Madone Kit is designed specifically for cyclists riding Trek Madone frames equipped with a BB90 bottom bracket shell who need a reliable replacement for their 24mm alloy cranksets. This kit utilizes high-quality sealed cartridge bearings to ensure drivetrain smoothness and longevity. While it provides excellent performance, it is important to note that this specific kit is precision-engineered for the BB90 standard and is not compatible with alternative bottom bracket shell types or non-24mm crank spindles.
All features
| Model Part Number | 230-6001 |
|---|---|
| Brand | FSA |
Extended Product Information
FAQs
Is this kit compatible with 30mm crank spindles?
No, this specific FSA BB90 kit is only compatible with 24mm alloy crank spindles.
Can I install these bearings without a press tool?
It is not recommended. Using a dedicated bearing press is essential to ensure the bearings are seated squarely and to prevent damage to the bike frame.
What is the BB90 standard?
BB90 is a proprietary bottom bracket standard developed by Trek, where bearings are pressed directly into the carbon fiber frame shell.
How often should I service these bearings?
Service intervals depend on riding conditions, but you should inspect them if you notice play, clicking sounds, or increased resistance when spinning the cranks.
Does this kit include everything needed for installation?
The kit includes the replacement bearings necessary for the BB90 shell; however, you will need a BB90-specific bearing press tool for installation.
Troubleshooting
Creaking or clicking noise under load
Remove the crankset, inspect the bearings for wear, and ensure the bottom bracket area is properly cleaned and lightly greased.
Difficulty installing bearings
Verify that you are using a dedicated BB90 press tool and that the frame shell is free of debris or residual adhesive from previous bearings.
Pros and Cons
Pros
- Perfect fitment for Trek BB90 frames
- High-quality sealed bearings reduce maintenance needs
- Smoother drivetrain rotation compared to worn units
- Reliable construction built for road performance
Cons
- Compatible only with 24mm spindle cranks
- Requires specific tools for BB90 bearing removal and installation
- Not intended for non-Trek frame standards
Setup, Compatibility & Care
Installation of this kit requires a professional-grade bearing press designed for BB90 systems. Because the BB90 standard uses bearings pressed directly into the frame, extreme care must be taken during the removal of old bearings to avoid damaging the carbon shell. Ensure the bottom bracket area is clean and lightly greased before seating the new cartridges. Regarding compatibility, this kit is strictly for 24mm alloy cranks; attempting to use a 30mm spindle will cause damage. Periodically check for lateral movement in the crank arms to ensure the bearings remain seated correctly.