LEGO Power Motor 9V 8287 für 8421 8376 8475 8366 8285 のeBay公認海外通販|セカイモン
Lego ® Technic 9V Buggy Motor 5292 elktrisch Racer Black 4177239 Electric | eBay
Alright so after some experimenting with shocks and gears, this is my super fast RC racer's gearing using there 5292 motor. There is a lot of complex gearing math here and I