Drive Unit
AssemblyCassette-mounted freehub coupled through a belt and pulleys to a heavy flywheel that delivers road-like inertia. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Drive Unit
8 top-level lines as of r157887| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Cassette Body | sbt-cassette-body | 1× | 1 | · | part |
| 2 | Sprocket Cassette | sbt-cassette | 1× | 1 | · | part |
| 3 | Freehub | sbt-freehub | 1× | 1 | · | part |
| 4 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 5 | Drive Belt | drive-belt | 1× | 1 | · | part |
| 6 | Drive Pulley | sbt-drive-pulley | 1× | 1 | · | part |
| 7 | Flywheel Pulley | sbt-flywheel-pulley | 1× | 1 | · | part |
| 8 | Inertia Flywheel | sbt-flywheel | 1× | 1 | · | part |