Hand-Crank Unit
AssemblySynchronous twin hand cranks on a sealed bottom bracket at chest height, with grips the rider turns to drive the chain; arranged so both arms push and pull together. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Hand-Crank Unit
5 top-level lines as of r79272| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Hand Crank Arm | hand-cycle-crank-arm | 2× | 2 | · | part |
| 2 | Crank Spindle | hand-cycle-crank-spindle | 1× | 1 | · | part |
| 3 | Hand Grip 3 parts | hand-cycle-hand-grip | 2× | 2 | 0 | assembly |
| 4 | Crank Bottom Bracket 2 parts | hand-cycle-crank-bb | 1× | 1 | 0 | assembly |
| 5 | Crank Chainring | hand-cycle-chainring | 1× | 1 | · | part |