Bottom bracket Shimano Ultegra R8000 SM-BBR60 BSA & Italian Hollowtech II

Optimise your road bike's drivetrain with the Shimano Ultegra SM-BBR60 bottom bracket, available in BSA (English) and Italian versions. Designed to offer smooth rotation and excellent power transfer, this bottom bracket is an essential choice for demanding cyclists looking for performance and reliability.

Part of the Ultegra range, it features Hollowtech II technology, guaranteeing stiffness, lightness and efficiency with every pedal stroke. Its high-quality bearings ensure excellent durability, even in intensive conditions.

Easy to install thanks to its threaded system, the SM-BBR60 is particularly appreciated for its robustness and the absence of cracking often associated with Press-Fit systems.

What's the difference between BSA and Italian?

The SM-BBR60 bottom bracket is available in two thread standards. It's essential to choose the right one for your frame:

Standard BSA (English)

• The most common on modern bikes
• Width: generally 68 mm (road)
• Thread
  • Right side (drivetrain) → reversed pitch
  • Left side → standard pitch
• Advantage: limits loosening with pedalling

Italian standard

• Found on some top-of-the-range or older frames (often Italian)
• Width: 70 mm
• Threading: standard pitch on both sides
• Special feature: may require extra care when tightening

Before buying, always check the standard of your frame to ensure compatibility.

Key features:

• Available in BSA and Italian to suit different frames
• Hollowtech II technology for optimum performance
• Smooth, durable bearings
• Simple, reliable assembly (thread)
• Ideal for performance road bikes

Technical specifications :

• Model: SM-BBR60
• Standards: BSA (68 mm) or Italian (70 mm)
• Compatible axle: 24 mm (Hollowtech II)
• Type: threaded housing
• Use: road bike
• Groupset: Shimano Ultegra

FAQ - Bottom bracket Shimano Ultegra SM-BBR60

How do I know if my bike is BSA or Italian?

Measure the width of the bottom bracket and check the thread:

• 68 mm + inverted pitch on right-hand side → BSA
• 70 mm + standard pitch on both sides → Italian

Which to choose between BSA and Italian?

You must choose the one that matches your frame. Both versions offer the same performance.

Is it compatible with all Shimano cranksets?

Yes, it is designed for Shimano road cranksets in Hollowtech II (24 mm axle).

What are the advantages of threading over Press-Fit?

The threaded system is easier to install, more reliable over time and reduces noise.

Is it suitable for racing?

Yes, the Ultegra range is ideal for sporting and competitive use, with an excellent performance/durability ratio.

Do I need a specific tool for fitting?

Yes, a Hollowtech II-compatible tool is required to install the gearbox correctly.