Miche Evo Max Bottom Bracket - 86.5x46
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Product Information
Full details
The Miche Evo Max Bottom Bracket is designed for cyclists using cranksets with a 24mm axle, offering smooth rotation thanks to its sealed bearings. Constructed from durable, lightweight CNC-machined AL 7075 T6 aluminum alloy, it provides a robust interface for your crankset. A key consideration is its specific compatibility with certain frame shell widths and diameters, particularly the 86.5x46mm variant detailed here, ensuring a precise fit for compatible frames.
All features
| Brand | Miche |
|---|
Extended Product Information
FAQs
What size crankset axle is compatible with this bottom bracket?
This Miche Evo Max Bottom Bracket is designed for cranksets with a 24mm axle diameter.
What frame bottom bracket shell dimensions does this specific model fit?
This particular variant is designed for frames with an 86.5mm shell width and 46mm cup diameter.
Are the bearings user-serviceable?
The bearings are sealed for protection. While some mechanics can service or replace them, they are not designed for easy user maintenance. If bearings are damaged, replacement of the bottom bracket is often recommended.
What material is the bottom bracket body made from?
The body is manufactured from lightweight CNC-machined AL 7075 T6 aluminum alloy.
Do I need special tools to install this bottom bracket?
Yes, installation requires specific bottom bracket tools designed for press-fit or threaded systems, depending on the frame type, as well as a torque wrench.
Can I use this with a crankset that has a 30mm axle?
No, this bottom bracket is specifically designed for 24mm axles. You would need a bottom bracket designed for 30mm axles.
Troubleshooting
Grinding or noisy bearings
Inspect bearings for contamination or wear. Clean thoroughly if possible, or replace the bottom bracket if damage is evident.
Crankset feels loose
Verify that the bottom bracket cups are fully seated and tightened to specification. Check crank arm bolts as well.
Difficulty installing bottom bracket
Ensure the frame shell is clean and free of debris. Verify that you are using the correct tools and that the bottom bracket is the correct size for your frame. Do not force installation.
Premature wear
Ensure proper installation with correct torque and greasing. Avoid riding in extreme conditions without adequate maintenance.
Pros and Cons
Pros
- Smooth pedaling performance due to sealed bearings.
- Lightweight yet durable aluminum construction.
- Reliable interface for 24mm crankset axles.
- Designed for a precise and secure fit.
Cons
- Limited compatibility; requires specific frame shell dimensions (86.5x46mm for this model).
- May not fit older or non-standard frame standards.
- Requires specific tools for installation and removal.
Setup, Compatibility & Care
Compatibility:
- This specific variant is designed for frames with an 86.5mm shell width and a 46mm cup diameter.
- It is compatible with cranksets featuring a 24mm diameter axle.
- Ensure your frame meets these precise measurements before purchasing.
Setup:
- Clean the frame's bottom bracket shell thoroughly.
- Apply a thin layer of grease to the threads or press-fit surfaces of the bottom bracket shell, as appropriate for your frame type.
- Carefully thread or press the bottom bracket cups into the frame using the correct tools. Ensure they are seated squarely.
- Install the crankset according to the manufacturer's instructions, ensuring the 24mm axle engages correctly with the bottom bracket bearings.
- Tighten all components to the manufacturer's specified torque.
Care:
- Regularly clean the exterior of the bottom bracket with a damp cloth. Avoid high-pressure washing directly at the seals.
- Periodically check for play or roughness in the bearings. If issues arise, the bearings may need replacement or servicing by a qualified mechanic.