Shimano Bottom Bracket, Threaded BSA | Dura Ace BB-R9000, Hollowtech II - Cycling Boutique
Shimano Bottom Bracket, Threaded BSA | Dura Ace BB-R9000, Hollowtech II - Cycling Boutique
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  • SKU: CB768

Shimano Bottom Bracket, Threaded BSA | Dura Ace BB-R9000, Hollowtech II

Rs. 3,990.00
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Please speak with our support team on +919538949110 for any guidance while ordering. Product Country of Origin: Taiwan.

Dura-Ace defines Extreme Engineering at its peak. Each of the components magnifies the qualities of the others for an unparalleled level of performance, strait to the world races. Optimizing input to maximize output. That's how it achieves supremacy, right to the BB-R9100 Bottom Bracket too, at amazing prices.

Though designed for Dura-Ace 11-speed cranks, it can be used for other Shimano cranks too to get an unfair advantage from smoothest pedaling with the lowest price component upgrade. The small ball bearings minimize weight and use Hollowtech II technology for greater stability and rotational efficiency. Available in versions for BSA and for ITA threads.



SHIMANO DURA-ACE - Bottom Bracket - Threaded - HOLLOWTECH II - 68/70 mm shell width

With an advanced seal construction for smoother rotation and small ball bearings to minimize weight, the SHIMANO DURA-ACE bottom bracket is offered in both press-fit and threaded options.

  • Bottom bracket with small ball bearings for lightweight
  • Advanced seal construction for smoother rotation

  • Bottom Bracket With Small Ball Bearings for Lightweight
  • Advanced Seal Construction for Smoother Rotation

  • Application: Road, Triathlon & Time Trial
  • Series: Dura-Ace R9000
  • Type: BSA, ITA
  • Shell Width: 68 mm, 70 mm
  • Axle Diameter: 24 mm (Hollowtech II)

Technical Information:
  • Bearings: Steel
  • Bottom Bracket Cup Material: Aluminum

  • Designed for: Dura-Ace FC-R9100, FC-R9000-P, FC-9000

  • small ball bearings for low weight
  • anodized bearing cups


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: BB-R9000
  • SERIES: DURA-ACE R9000 Series
  • Average weight: 65
  • Threaded BB shell width_70mm: ✔
  • HOLLOWTECH II bottom bracket_Threaded bottom bracket type: ✔
  • A Small ball bearing: ✔
  • Threaded BB shell width_68mm: ✔
  • Threaded bottom bracket shell width (mm)_68: ✔
  • Threaded bottom bracket shell width (mm)_70: ✔


  • BSA: ISMBB9000B (Shell Width: 68mm)
  • ITA: ISMBB9000I (Shell Width: 70mm)

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

Cycling Boutique is The Shimano - The official sales, support, and warranty services for Shimano in India.

When you buy a new bicycle in India or already riding a bicycle, you must have noted that Bike brands love this - Be it Trek, Specialized, Cannondale, Giant, Scott, Polygon, Merida, Marin, Bergamont, Btwin, Schwinn, Ridley - you will see all brands bicycles with an Altus component in use. At Cycling Boutique, you can also find the largest collection of Shimano Gearing Systems and Components in ready stock.

Cycling Boutique is also a fully certified and authorized sales and service center for Shimano products in India. Cycling Boutique is well versed with Shimano components with extensive service track records and top-notch bicycle mechanics in its service support center. Our employees are directly trained and certified by Shimano's cutting-edge technology and service operations.

When you wish to buy Shimano bicycle components in India, be assured that Cycling Boutique is the go-to place with 100% original, genuine Shimano components with truly trustable authenticity and trust. Our friendly technical support staff will be able to address any of your technical issues - be it a silly-looking beginner question to the toughest solvable bicycle mechanical problems.

Buy the finest Cycling products from Cycling Boutique, India's 1st and most trusted Online Bike Store - Established in 2012.

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