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Complete guide to bottom brackets Updated: What are the different BB standards and what are their advantages?

Complete guide to bottom brackets............. Updated: What are the different BB standards and what are their advantages?

from Habe Retro Custom

DH – Bikes (Down Hill)

The Honda RN01 downhill mountain bike had its entire gearbox and freewheel contained inside the bottom bracket, and was able to shift without pedaling. Description from pinterest.com. I searched for this on bing.com/images

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