Castle Creations motor and ESC combo recommendations for the Arrma Granite Mega and Boost.

Sidewinder 4 w/1410-3800kv - 18 pinion/91 spur on 2s = ~30MPH
Copperhead 10 w/1412-3200kv - 19 pinion/91 spur on 3s = ~40MPH

Note: All speed estimates are with stock tire diameter, high quality batteries and appropriately sized battery connectors.
Always monitor ESC, motor and battery temperatures on new setups or when changing gearing or batteries.



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