2 Gear Auto-shifting Motor ZSM2136A
250W 2-speed auto-shift mid-drive, 3.3 kg. EU/North America compliant for everyday urban e-bikes.
ZSM2136A
2 Gear Auto-shifting Motor ZSM2136A
250W 2-speed auto-shift mid-drive, 3.3 kg. EU/North America compliant for everyday urban e-bikes.
A close-up motion layer reinforces precision and engineering character instead of showing specs alone.
Specifications
| O.L.D | 135mm |
| Weight | 3.3kg |
| Wire Exit | Left or Right Axle End |
| Brake Type | Disc Brake |
| Dimensions | φ141×197mm |
| Drive Type | Chain / Belt / Shaft Drive |
| Step Ratios | 1 / 1.36 |
| Shifting Mode | Automatic |
| Max Motor Torque | 40Nm |
| Number of Speeds | 2-speed |
| Total Gear Ratio | 1.36 |
| Rated Motor Power | 250W |
Highlights
- 250W rated, meets European e-bike regulations
- Auto-shift for effortless riding
- 2-speed improves cadence comfort
- ~20% range gain vs single-speed
- Compatible with chain, belt and shaft drive
- Quiet internal gearbox, clean look
Products
Overview
ZSM2136A is the EU-standard entry model in the 2136 series, rated at 250W — compliant with European and North American motor regulations for daily commuting and light recreational use.
Key Features
The integrated 2-speed automatic gearbox delivers natural cadence with no manual input, improving range by ~20% over single-speed alternatives. Compatible with chain, belt and shaft drive configurations.
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