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Shimano SM-BB9100 HTII bottom bracket, BSA, 68 mm, road

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RRP 55.99 
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Bottom bracket cups for the new Dura Ace Hollowtech II crankset FC-R9100. Suitable for frames with (M36 x 24T) Italian thread.

Product features

  • Use: Road
  • Gruppe: Dura Ace
  • Model: BB-R9100
  • BB-Type: HOLLOWTECH II
  • Threaded: ITA
  • Threaded BB shell width: 70mm
  • Shell diameter: ITA (M36)

Compatibility

  • Dura Ace FC-R9100

Material

  • Aluminum

Weight

  • 65g

Scope of delivery

  • Shimano Dura Ace Hollowtech II Bottom Bracket Cups BB-R9100 ITA
  • Shimano Tool TL-FC24

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.

Shimano DURA-ACE R9100 (Di2)

Product features
New design with reduced dimensions
Improved seals for long life
Product details
Suitability Road
Mount type BSA
Axis type for crankset HollowTech II (HTII) (⌀ - 24 mm)
Frame width 68 mm
Technical designation BB-R9100-B
Weight 65 g
product ID 67997
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WARNING
For installation, adjustment and replacement information that is not found in the user's manual, please consult the place of purchase or a distributor. A dealer's manual intended for professional and experienced bicycle mechanics is available on our website (https://si.shimano.com).
For safety, be sure to read this "user's manual" thoroughly before use, follow it for correct use, and save it so that you can refer to it at any time.
The following instructions must always be followed in order to prevent personal injury and physical damage to equipment and the environment. The instructions are classified according to the degree of danger or damage that may occur if the product is used incorrectly.
DANGER - Failure to follow the instructions will result in death or serious injury.
WARNING - Failure to follow the instructions could result in death or serious injury.
CAUTION - Failure to follow the instructions could result in personal injury or physical damage to equipment and the environment.

WARNING:
Do not disassemble or modify the product. This may cause the product to malfunction, you may fall unexpectedly and be seriously injured.
Before riding your bicycle, check that the crank arms are not cracked. If there are cracks, the crank arm may break and you may fall off the bicycle.
Be careful not to get parts of your clothing caught in the chain while riding. Otherwise, you may fall off the bicycle.

CAUTION:
Be careful and do not touch the teeth of the sprockets. There is a risk of injury.

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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