Its a swashdrive system like the hyper or gen8 ...on the Motor is a wheel like the adapter from the amen made from plastic and connectet with a bearing ...the Motor and :-( the system are on a plastic body connectet thats sit in the cast body ....all not the quality from swashdrive.
I have notice you get marks with the finger nails in this plastic -not stronk ! For the money a bad joke ....my is broken after 3min running on 8v and blue black rubber