Crank Bottom Bracket
AssemblySealed-cartridge bearing unit pressing into the front boom head, supporting the hand-crank spindle. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Crank Bottom Bracket
2 top-level lines as of r79278| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 2 | Crank BB Cup | hand-cycle-bb-cup | 2× | 2 | · | part |