R449.99

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  • Product info
The Shimano BB91 Press Fit Bottom Bracket Mountain-42A fits mountain frames with a bottom bracket shell width of 84.5mm, with a 42mm internal diameter. Use only Shimano Hollow Tech II cranksets with this bottom bracket.

Key Features:

- Actual weight: 65 grams
- Fits Shimano Hollow Tech cranksets
- For BB shell widths of 84.5mm
- Press-Fit BB shells only (no internal threads)
- 42mm BB cup diameter
Product code: 2010521
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