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Shimano Press Fit BB MTB (SMBB91-42A)
High-quality Pressfit bottom bracket cups. Easy to install, increased durability because of the larger bearing size. Pressfit 91 bottom bracket cups can be used with BB30 MTB frames (bottom bracket size 84,5x42mm) only.
- All Shimano Hollowtech-II cranksets with integrated 24mm spindle are compatible with this bottom bracket.
- Note: Included in delivery are the BB cups without inside housing and a 2,5mm spacer.