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Bottom Bracket

Assembly

Sealed threaded bottom bracket in the 68mm BSA shell. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Bill of materials for Bottom Bracket

3 top-level lines as of r23628
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Ball Bearing ball-bearing 2× 2 · part
2 Bottom Bracket Cup cargo-bicycle-bb-cup 2× 2 · part
3 Oil Seal oil-seal 2× 2 · part