
ZSM2136C
2 Gear Auto-shifting Motor ZSM2136C
350/500/750W 2-speed high-torque mid-drive, 80Nm, 4.5 kg, 175mm dropout. Designed for fat-tire e-bikes.

ZSM2136C
2 Gear Auto-shifting Motor ZSM2136C
350/500/750W 2-speed high-torque mid-drive, 80Nm, 4.5 kg, 175mm dropout. Designed for fat-tire e-bikes.
2 Gear Auto-shifting Motor12 Specs6 Highlights

Transmission Detail
A close-up motion layer reinforces precision and engineering character instead of showing specs alone.
Specifications
| O.L.D | 175mm |
| Weight | 4.5kg |
| Wire Exit | Right Axle End |
| Brake Type | Disc Brake |
| Dimensions | φ158×237mm |
| Drive Type | Chain / Belt / Shaft Drive |
| Step Ratios | 1 / 1.36 |
| Shifting Mode | Automatic |
| Max Motor Torque | 60/70/80Nm |
| Number of Speeds | 2-speed |
| Total Gear Ratio | 1.36 |
| Rated Motor Power | 350W / 500W / 750W |
Highlights
- Fat-tire design, 175mm dropout
- Up to 750W / 80Nm high power
- Auto-shift for effortless riding
- 20%+ range improvement
- Chain, belt and shaft drive compatible
- Quiet internal gearbox
Products
Overview
ZSM2136C is purpose-built for fat-tire e-bikes (beach / snow bikes). 175mm dropout width and 80Nm max torque, available in 350W, 500W and 750W — the ideal choice for heavy-duty terrain riding.
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