Shimano Bottom Bracket Threaded BSA | SM-BBR60 - Ultegra / GRX / FC-CX70, Hollowtech II

Shimano Ultegra SM-BBR60 Threaded bottom bracket - the superb all-rounder to serve many variants of GRX, Ultegra, 105, FC-CX70, and other cranks.

The Threaded BB-RS60 bottom bracket is designed for the Ultegra, GRX, FC-CX70 cranksets, and many other equivalent dimensions cranks. The Hollowtech II 2-piece crank with a 24 mm axle can be perfectly mounted in a frame with fits on road frames with BSA bottom bracket threads and 68 mm shell width or in frames with ITA bottom brackets and 70 mm shell width.

The plethora of Threaded BBs available in the market have definite performance advantages, but the Threaded BBs offer maximum durability and avoid any annoying creaking problems. SM-BBR60 impresses with its durability and improved seal design.

Specifications:

• Application: Road, Cyclocross, City, Gravel
• Type: BSA, ITA
• Shell Width: 68 mm, 70 mm
• Axle Diameter: 24 mm (Hollowtech II)

Technical Information:

• Bearings: Steel
• Bottom Bracket Cup Material: Aluminum

Features:

• 14 g lighter than SM-BB6700
• Smoother running than SM-BB6700 (50 % less friction)
• Just as durable as its predecessor
• Anodized bearing cups
• Small ball bearings for low weight

Compatibility:

• Ultegra FC-R8000, FC-6800
• 105 FC-R7000, FC-5800
• Metrea FC-U5000
• GRX FC-RX810
• FC-CX70

Package Contents:

• 1 x Shimano BB-RS60 right bearing cup, with bearings
• 1 x Shimano BB- RS60 left bearing cup, with bearings
• 1 x Shimano bottom bracket sleeve

Weight: Silver/BSA: 77g

Technology:

Explore Beyond

SHIMANO GRX, with its gravel-specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world. It isn’t a reworked set of road components. It represents a ground-up look at how cyclists want to explore their world. SHIMANO GRX helps you eliminate excuses, instead urging you to try that rough sidetrack or ride that little bit longer. It offers you the option to Explore Beyond.

Hollowtech II
Shimano Hollowtech II is a crank bottom bracket system designed to achieve an ideal ratio of stiffness, weight, and rotational efficiency. It is based on an integration of the bottom bracket and the right crank arm and works with a 24 mm axle or bearing diameter, which has proven to be optimal in terms of stability. In many cases, the bearing cups are on the outside so that the load is better distributed. High-quality precision seals ensure long service life.

Product Specifications

• MODEL NO: SM-BBR60
• SERIES: Shimano Ultegra / 105 / GRX / FC-CX70
• Average weight: 77
• Threaded BB shell width_70mm: ✔
• HOLLOWTECH II bottom bracket_Threaded bottom bracket type: ✔
• Small ball bearing: ✔
• Threaded BB shell width_68mm: ✔
• Threaded bottom bracket shell width (mm)_68: ✔
• Threaded bottom bracket shell width (mm)_70: ✔

SKU#

• BSA: ISMBBR60B Shell Width: 68mm
• ITA: ISMBBR60I Shell Width: 70mm

*Note: Images are for representational purposes only. Actual size / packaging varies with product type/size.

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