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Is motor locked up? Bearing failure my guess. Bearing coming apart inside of a rotor locking it up just like putting metal in car motor. High RPMs an metal shavings do not mix together well at all..Not sure what could have caused this... My Granite BLX running a 3S battery began making a noise and not moving. Upon inspection the slipper gear was toast ground down smooth. Looking closer and removing the power module I discovered the case for the slipper had a small crack, the red motor mount was bent causing the pinion gear to be pitched and the shaft for the slipper set was also bent. A lot of damage and not sure how it happened. The Granite is new with only 3-4 runs without any major crash resulting in damage. Any thoughts?