What’s radial compression (and how to fix it) @BBInfinite
What’s radial compression (and how to fix it) @BBInfinite
Uploaded May 2025 | Updated September 2026, 1 week ago
What’s radial compression (and how to fix it)

📏 BB shells like BB86, BB92, and 386EVO can be too tight from the factory
⚠️ Tight frames = radial compression = bound bearings
🔩 No preload? No crank? Bearings still can’t spin

This isn’t a mystery noise, it’s a precision issue. The fix? Ream the frame to the correct size so your bearings can finally breathe and spin smooth.

🎥 Watch how we ream and fix it

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What’s radial compression (and how to fix it)

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