BONDTECH · BMG · 2017
Bondtech BMG
The dual-gear standard for reliable feeding
Overview
Bondtech BMG is the widely-loved dual-gear extruder. Its matched counter-rotating gears and 3:1 ratio feed filament consistently, handling flexibles and hard materials alike.
Key features
- Dual counter-rotating gears grip filament firmly
- 3:1 gear ratio gives high torque and precision
- Reliable for flexible and abrasive filaments
- Works as direct or bowden
Quick specification
- Drive type
- Dual gear
- Gear ratio
- 3:1
- Motor
- NEMA17
- Weight
- 40 g
- Flexible (TPU)
- Supported
- Max flow
- 22 mm³/s
DodoScore
Performance91
Compatibility94
Value88
Community96
Compatible printers / toolheads
| Printer / toolhead |
|---|
| Voron 2.4 |
| Prusa MK3S |
| Ender-3 |
| CR-10 |
| RatRig V-Core 3 |
Pros & cons
Advantages
- Excellent filament grip
- Reliable for flexible filament
- Large ecosystem of mounts
Disadvantages
- Requires a motor to be added
- Heavier than lightweight options
Is it right for you?
Best for
- Reliable all-round feeding
- Flexible filament
Not recommended
- Ultra light toolheads where every gram counts