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Bottom Bracket

Assembly

Sealed square-taper cartridge bottom bracket threaded into the 68 mm shell, supporting the crank spindle on two bearings. 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

4 top-level lines as of r174209
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 BB Spindle touring-bicycle-bb-spindle 1× 1 · part
2 Ball Bearing ball-bearing 2× 2 · part
3 BB Cup touring-bicycle-bb-cup 2× 2 · part
4 Oil Seal oil-seal 2× 2 · part