Shimano Ultegra / FC-CX70 / 105 SM-BBR60 Hollowtech II Bottom Bracket

KSh7,400.00

The Shimano SM-BBR60 is a bottom bracket of type BSA or ITA, 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, ITA shells are 70 mm wide.

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: Aluminium

Compatibility:

Recommended for:
– Ultegra FC-R8100, FC-R8100-P, FC-R8000, FC-6800
– 105 FC-R7000, FC-5800
– Metrea FC-U5000
– GRX FC-RX810
– FC-CX70

Features:

– 14 g lighter than SM-BB6700
– smoother running than SM-BB6700 (50 % less friction)
– just as durable as its predecessor
– anodised bearing cups
– small ball bearings for low weight

Technology:

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 a long service life.

Models:

BSA:
Shell Width: 68 mm
Manufacturer Number: I-SMBBR60B

Contents:

– 1 x Shimano SM-BBR60 right bearing cup, with bearings
– 1 x Shimano SM-BBR60 left bearing cup, with bearings
– 1 x Shimano bottom bracket sleeve

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