CYCLEZ Premium American BB Adapter Cups for Sealed Mid Bottom Brackets from 1-PC to 3-PC BMX Crank Systems
Special Features
- Designed to upgrade any American bottom bracket frame to fit sealed Mid BB bearings for modern 3-piece cranksets
- Premium Quality Contsruction - Made from 6061-T6 Aluminum - Lightweight, high-strength alloy cups machined for durability and corrosion
- Press-Fit Design - No threads needed, simply press into Cruiser, Old School BMX or most American BB shells
- Precision Specs: Outer diameter 41.25mm, Depth" 13.5mm, Weight: 2.2 Ounces
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