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Shimano Ultegra SM-BBR60 central compound, BSA, 68 mm, HT II, road

26.99  RRP 30.99  -13%
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SM-BBR60 bottom bracket cups for the new Ultegra Hollowtech II crankset FC-6800. Suitable for frames with (B.C.1.37" x 24T) English thread.

Features

  • 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: BSA
  • Threaded BB shell width: 68mm
  • Shell diameter: BSA (BC 1.37)

Compatibility

  • Dura Ace FC-9000
  • Ultegra FC-6800
  • 105 FC-5800

Material

  • Aluminum

Weight

  • 77g

Scope of delivery

  • 1 Shimano Hollowtech II Bottom Bracket Ultegra SM-BBR60 BSA
  • 1 TL-FC25 Tool

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.

Product features

Center bearings SMBBR60 with BSA thread
For cranks with integrated axle 24mm
For Ultegra and 105 series road cranksets
For a frame width of 68 mm
For assembly, it is necessary to use the reduction tool TL-FC25.

Product details

Diameter 68 mm
Type of assembly BSA - English
Weight 76 g
product ID 4911

Rating 4,8/5

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Japanese manufacturer produces road, mountain, gravel, trekking, BMX and e-bike groupsets. They also offer a whole series of components and apparel. Their range goes from wheels, footwear, eyewear to backpacks. Shimano is a traditional manufacturer known for their quality work, which is why they are the favourite choice of amateurs and professionals.

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