Ball Bearings For Hollowtech II Bottom Bracket With Rubber Sealed Closures And Double Sided Seals Low Friction Grease Lubrication Corrosion Resistant Chrome Steel Balls 52100 Low Friction Cage Precision ABEC 1 For Smooth Cycling Performance

Set of 2 Hollow Tech II Bottom Bracket Bearings
✔️ Rubber sealed closures, double-sided seals, ABEC-1, 52100 steel balls

These bearings are sealed ball bearings designed for Hollow Tech II bottom brackets, offering smooth rotation and reliable sealing in road and mountain bike drivetrains.

✅ Pack size: Set of 2 bearings
✅ Closure: Rubber sealed, double-sided seals
✅ Material: 52100 chrome steel balls with low friction grease
✅ Precision: ABEC-1

💡 What is a sealed ball bearing used for in bicycle bottom brackets?

These handy components keep the crank spinning smoothly while sealing out dirt. - Used in BB assemblies to reduce friction and support radial loads - ABEC-1 precision provides reliable rotation in daily riding - Rubber seals hold lubrication in and contaminants out - Sold as a set of 2 for easy replacement and matched performance