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Shimano ULTEGRA SM-BBR60 ITA Hollowtech II Bottom Bracket
Shimano ULTEGRA SM-BBR60 ITA Hollowtech II Bottom Bracket
SM-BBR60 bottom bracket cups for the new Ultegra Hollowtech II crankset FC-6800. Suitable for frames with (M36 x 24T) Italian thread.
Features - Shimano ULTEGRA SM-BBR60 ITA
- Outside positioned bearings for better weight distribution and more stability
- Bottom bracket has smaller, bearings than current model for lightweight
- New improved sealing ensures 50% less drag
Product features
- Use: Road
- Gruppe: Ultegra
- Model: SM-BBR60
- BB-Type: HOLLOWTECH II
- Threaded: ITA
- Threaded BB shell width: 70mm
- Shell diameter: ITA (M36)
Compatibility
- Dura Ace FC-9000
- Ultegra FC-6800
- 105 FC-5800
Material
- Aluminum
Weight
- 77g
Scope of delivery
- 1 x Shimano Hollowtech II Bottom Bracket Ultegra SM-BBR60 ITA
HOLLOWTECH II Technology
The concept of HOLLOWTECH II technology is focused on producing a superior crankset which will maximize a rider’s power transfer. The rigidity of the crankset ensures pedaling efficiency while its weight, a key element of the crankset, you want light, aids in cycling longer distances over which the rider needs to pedal more. Naturally, SHIMANO strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank. HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company’s own proprietary forging technology that also maintains rigidity. The addition of HOLLOWTECH II technology integrates the bottom bracket axle with the right crankarm for more stiffness and a weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedaling stability, allowing for more efficient power transfer.
ISMBBR60I
4524667108443
689228108448
4524667108443
689228108448
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