Square Tapered Bottom Bracket With Sealed Cartridge Bearings For Square Taper Cranks, Includes Mounting Screws, Fits 80Mm And 100Mm Frame Shells, 100 X 177Mm Size, Steel Shell, Built Tough, Low Friction, Easy Install

Sealed cartridge square taper bottom bracket for cranks (1 piece)
✔️ Fits 80mm and 100mm shells; includes mounting screws

This bottom bracket features a steel shell and sealed cartridge bearings, designed for square-taper cranks. It’s built to withstand dirt, mud, and moisture in everyday riding and is commonly used on mountain and commuter bikes.

✅ Sealed cartridge bearings (sealed ball bearings) for low friction and longer life
✅ Steel shell offers rugged durability and dust/moisture resistance
✅ Fits 80 mm and 100 mm shell widths on square taper cranks
✅ Includes mounting screws for quick, secure installation (100 x 177 mm size)

💡 What is a square taper bottom bracket used for and why choose sealed cartridge bearings?

- Sealed cartridge bearings for low friction and longer life
- Square taper compatibility with 80 mm and 100 mm shells
- Durable steel shell protects internals from dust and moisture