3 Gear Auto-shifting Motor ZSM3185E
ZSM3185E

3 Gear Auto-shifting Motor ZSM3185E

250/350/500W 3-speed new-platform, 2-stage reduction, only 3.1 kg. EU premium city bikes and folding e-bikes.

3 Gear Auto-shifting Motor ZSM3185E

ZSM3185E

3 Gear Auto-shifting Motor ZSM3185E

250/350/500W 3-speed new-platform, 2-stage reduction, only 3.1 kg. EU premium city bikes and folding e-bikes.

3 Gear Auto-shifting Motor 12 Specs6 Highlights
Transmission structure animation
Transmission Detail

A close-up motion layer reinforces precision and engineering character instead of showing specs alone.

Specifications

O.L.D142mm
Weight3.1kg
Wire ExitLeft or Right Axle End
Brake TypeDisc Brake
Dimensionsφ158×202mm
Drive TypeChain / Belt Drive
Step Ratios0.74 / 1 / 1.36
Shifting ModeAutomatic
Max Motor Torque45/50/65Nm
Number of Speeds3-speed
Total Gear Ratio1.85
Rated Motor Power250W / 350W / 500W

Highlights

  • New dual-stage platform, only 3.1kg
  • Higher torque for powerful starts
  • 3-speed covers all riding conditions
  • Axle-side routing, maintenance-free
  • 40%+ range improvement
  • Chain, belt and shaft drive compatible
Request Quote

Products

Overview

ZSM3185E brings next-generation 2-stage reduction technology into a light 3.1 kg package with 50/55Nm torque. The compact dimensions make it ideal for EU premium urban e-bikes and folding e-bikes where weight and aesthetics are priorities.

Request Quote

Share your model, target scenario and expected quantity to get a faster matching recommendation.