SHIMANO DURA ACE BOTTOM BRACKET SET BSA SM-BB9000

R 729.00
R 911.00
- 20%

Quantity

Specifications:

Application:¬†Road
Series:¬†Dura Ace R9100
Type:¬†BSA or ITA
Shell Width:¬†68 mm (BSA) or 70 mm (ITA)
Axle Diameter:¬†24 mm (Hollowtech II)

Technical Information:

Bearings:¬†steel
Bottom Bracket Cup Material:¬†aluminium

Features:

- small ball bearings keep weight low
- bearing cups anodized
- recommended for Dura Ace FC-R9100, FC-R9100-P, FC-9000

Technology:

Hollowtech II
The outboard bearings offer better weight distribution and more stability that provides a more efficient power transfer. The diameter of the bearing axle (24 mm) was an important factor in development because the axle has a positive effect on stiffness, stability, weight, and rotating efficiency.

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