Mid-Drive Motor Unit
Assembly500 W brushless DC mid-drive motor with planetary reduction, driving the rear differential through a chain. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Mid-Drive Motor Unit parts and their functions
8 top-level parts · 44 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Motor Housing | 1× | Reuse |
| 2 | Stator Assembly 3 parts | 1× | Reuse |
| 3 | Rotor Assembly 4 parts | 1× | Reuse |
| 4 | Neodymium Magnet | 14× | Rotor magnets (reuse) |
| 5 | Hall Sensor | 3× | Commutation sensors (reuse) |
| 6 | Helical Gear Pair | 1× | Primary reduction stage (reuse) |
| 7 | Motor Output Sprocket | 1× | 11-tooth hardened sprocket on the motor output shaft driving the rear chain. |
| 8 | Ball Bearing | 2× | Reuse |
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Bill of materials for Mid-Drive Motor Unit
8 top-level lines · 15 rows shown · 44 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Motor Housing | motor-housing | 1× | 1 | · | part |
| 2 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 2.1 | Stator Core (laminations) | stator-core | 1× | 1 | · | part |
| 2.2 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 2.3 | Slot Insulation | stator-insulation | 1× | 1 | · | part |
| 3 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 3.1 | Rotor Shaft | rotor-shaft | 1× | 1 | · | part |
| 3.2 | Rotor Core | rotor-core | 1× | 1 | · | part |
| 3.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | · | part |
| 3.4 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 4 | Neodymium Magnet | neodymium-magnet | 14× | 14 | · | part |
| 5 | Hall Sensor | hall-sensor | 3× | 3 | · | part |
| 6 | Helical Gear Pair | gear-pair | 1× | 1 | · | part |
| 7 | Motor Output Sprocket | electric-trike-output-sprocket | 1× | 1 | · | part |
| 8 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
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Where the mid-drive motor unit is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $2–$500. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Inovance
inovance.com ↗
|
Shenzhen, CN | Drives & motion control | 500 units | 10–14 wks |
| sonacomstar.com ↗ | Gurugram, IN | EV driveline & motors | 500 units | 10–14 wks |
| broad-ocean.com ↗ | Zhongshan, CN | Electric motors | 500 units | 10–14 wks |
| nidec.com ↗ | Singapore | Motors, regional ops | 500 units | 10–14 wks |
| bosch.in ↗ | Bengaluru, IN | Automotive components | 500 units | 10–14 wks |