A bicycle frame is discussed having a battery fully contained within a down tube of the bicycle frame. The battery may be inserted into or removed from the down tube via a through opening through a bottom bracket housing of the bicycle frame. Weakness in the bottom bracket housing due to the through opening may be compensated for, fully or partially, by utilizing a bottom bracket bearing assembly that has a structural component, or structural component assembly, that extends completely through the bottom bracket housing and removably couples to the bottom bracket housing.
E-bike with concealed battery
2024-08-20
Patent
Electronic Resource
English
A Battery Pack of Mounting Station Type for Electric Bike and E-Bike
European Patent Office | 2017