
ZSM3185C
3 Gear Auto-shifting Motor ZSM3185C
350/500/750W 3-speed high-power mid-drive, 60–80Nm. Built for cargo, fleet and heavy-duty urban riding.

ZSM3185C
3 Gear Auto-shifting Motor ZSM3185C
350/500/750W 3-speed high-power mid-drive, 60–80Nm. Built for cargo, fleet and heavy-duty urban riding.
3 Gear Auto-shifting Motor 11 Specs6 Highlights

Transmission Detail
A close-up motion layer reinforces precision and engineering character instead of showing specs alone.
Specifications
| O.L.D | 175mm / 190mm |
| Weight | 5.0kg |
| Brake Type | Disc Brake |
| Dimensions | φ141×202mm |
| Drive Type | Chain / Belt Drive |
| Step Ratios | 0.74 / 1 / 1.36 |
| Shifting Mode | Automatic |
| Max Motor Torque | 60 / 70 / 80Nm |
| Number of Speeds | 3-speed |
| Total Gear Ratio | 1.85 |
| Rated Motor Power | 350W / 500W / 750W |
Highlights
- Fat/beach/snow bike design, 175-190mm dropout
- Up to 750W / 80Nm
- 3-speed covers full speed range
- 40%+ range improvement
- Chain and belt drive compatible
- Quiet internal gearbox
Products
Overview
ZSM3185C delivers 350/500/750W with up to 80Nm peak torque, and 175/190mm dropout width — engineered for cargo e-bikes, shared fleet vehicles and high-demand EU urban commuting.
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