Shimano SM-BBR60 Ultegra Bottom Bracket (Threaded 68mm)

SHIMANO ULTEGRA - Bottom Bracket - Threaded - HOLLOWTECH II - 68mm shell width

The Shimano SM-BBR60 is a bottom bracket of type BSA which is recommended for Ultegra, 105, GRX, FC-CX70 and other Hollowtech II compatible cranks with 24 mm axle. It convinces with improved smooth running and low weight, but is just as durable as its predecessor. Bottom bracket shells with BSA thread are 68 mm wide. Suitable for frames with (B.C.1.37" x 24T) English thread.

Key Features

• Model: Shimano SM-BBR60 Ultegra Bottom Bracket

• Spindle Interface: Hollowtech II (24mm diameter)

• Thread Type: BSA (English threaded)

• Shell Width Compatibility: 68mm

• Smooth Rotation: Improved bearing performance for efficient pedaling

• Lightweight Construction: Reduced weight compared to previous models

• High Durability: Designed for long-lasting road cycling performance

• Wide Compatibility: Works with Shimano Ultegra, 105, GRX, FC-CX70, and other Hollowtech II cranksets

• Versatile Application: Suitable for road, gravel, cyclocross, and city bikes

Product Specifications

• Brand: Shimano

• Series: Ultegra

• Model Number: SM-BBR60

• Bottom Bracket Type: Threaded (BSA / English)

• Shell Width: 68 mm

• Thread Standard: B.C.1.37" x 24T

• Spindle Interface Type: Hollowtech II

• Spindle Diameter: 24 mm

• Compatible Cranksets: Shimano Hollowtech II cranksets

• Recommended Groupsets: Ultegra, 105, GRX, FC-CX70

• Application: Road, Cyclocross, Gravel, City Bikes

Bearing Performance & Smooth Pedaling

The Shimano SM-BBR60 bottom bracket is designed with high-quality sealed bearings that deliver smooth and efficient crank rotation. The improved bearing system reduces friction during pedaling, allowing better power transfer from the rider to the drivetrain. Its compact structure helps reduce weight while maintaining excellent durability. This makes it ideal for long-distance road rides, competitive cycling, and demanding gravel conditions where consistent pedaling efficiency is essential.

Easy Operation / Usage

• Install into frames with BSA threaded 68mm bottom bracket shells

• Compatible with Shimano Hollowtech II cranksets with 24mm spindle

• Requires a Hollowtech II bottom bracket installation tool for proper fitting

• Designed for simple maintenance and long-term reliable use

Why Choose This Product

• Genuine Shimano Ultegra quality and engineering

• Smooth and efficient pedaling performance

• Lightweight yet highly durable construction

• Compatible with a wide range of Shimano cranksets

• Ideal for road, gravel, and cyclocross bikes

• Trusted reliability for long-term cycling performance

In the Box

• Shimano SM-BBR60 Ultegra Bottom Bracket

• Left and Right Threaded Bottom Bracket Cups