CENTRAL PRESS FIT MOVEMENT SM-BB91-42A
SHIMANO CENTRAL PRESS FIT MOVEMENT SM-BB91-42A
High quality of the central movement Pressfit cups. Easy to install, longer life due to larger support size. Pressfit 91 central movement cups can be used with specific structures (size 84.5 x42mm center movement)for the BB91 oversize new Pressfit standard only. All Hollowtech II-Shimano accessories integrated with 24 mm spindle are compatible with this central movement.
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