Mid-Drive Motor Unit Assembly
Sourcing — likely vendors
Real suppliers (🇮🇳 🇸🇬 🇨🇳); price, MOQ & lead time are estimates| Vendor | HQ | Specialty | Est. unit price | MOQ | Lead time |
|---|---|---|---|---|---|
| 🇨🇳Inovance inovance.com ↗ | Shenzhen, CN | Drives & motion control | $190 | 500 units | 10–14 wks |
| sonacomstar.com ↗ | Gurugram, IN | EV driveline & motors | $212 | 500 units | 10–14 wks |
| broad-ocean.com ↗ | Zhongshan, CN | Electric motors | $155 | 500 units | 10–14 wks |
| nidec.com ↗ | Singapore | Motors — regional ops | $138 | 500 units | 10–14 wks |
| bosch.in ↗ | Bengaluru, IN | Automotive components | $203 | 500 units | 10–14 wks |
BLDC mid-drive with planetary reduction and torque sensor. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Build & assembly graph
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Bill of materials
9 top-level lines · 19 rows shown · 40 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Motor Housing | e-bike-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 | Motor Rotor 2 parts | e-bike-rotor | 1× | 1 | 2 | assembly |
| 3.1 | Rotor Shaft | e-bike-rotor-shaft | 1× | 1 | — | part |
| 3.2 | Rotor Core | e-bike-rotor-core | 1× | 1 | — | part |
| 4 | Neodymium Magnet | neodymium-magnet | 16× | 16 | — | part |
| 5 | Hall Sensor | hall-sensor | 3× | 3 | — | part |
| 6 | Planetary Reduction Gearset 5 parts | e-bike-planetary-gear | 1× | 1 | 9 | assembly |
| 6.1 | Sun Gear | e-bike-sun-gear | 1× | 1 | — | part |
| 6.2 | Planet Gear | e-bike-planet-gear | 3× | 3 | — | part |
| 6.3 | Ring Gear | e-bike-ring-gear | 1× | 1 | — | part |
| 6.4 | Planet Carrier | e-bike-planet-carrier | 1× | 1 | — | part |
| 6.5 | Ball Bearing | ball-bearing | 3× | 3 | — | part |
| 7 | Pedal Torque Sensor | e-bike-torque-sensor | 1× | 1 | — | part |
| 8 | Ball Bearing | ball-bearing | 3× | 3 | — | part |
| 9 | Oil Seal | oil-seal | 2× | 2 | — | part |