Bottom Bracket Drop
![Bottom Bracket Drop Bottom Bracket Drop](https://www.bikecad.ca/faqFiles/bb_drop.png)
BB Drop or Bottom Bracket Drop is the distance by which the center of the bottom bracket lies below the level of the rear hub.
BB Drop or Bottom Bracket Drop is the distance by which the center of the bottom bracket lies below the level of the rear hub.
©1998-2024 The Bicycle Forest Inc.