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Finally heavy-duty direct upgrade for plastic GWS 300/350 gearboxes.
Features:
- Aluminum body, dual ball bearing support for 10 x 10mm mounting stick
- For any 20mm motor, 2.3mm shaft (Himaxx 2015 2025, Hacker B20)
- Built-in cooling fins, no heat sink necessary
- Comes with 3 ratios 6.6:1, 5.3:1, 4.4:1
- Aluminum adapter for 3mm shaft included
- Use for any GWS planes as drop in replacement
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