Atlas 20006623 HO Scale Thrall 53' 3 Unit Articulated Well Car "Blue Patch" DTTX 888737 FasTrack Crossing “model selection” is not required “model selection” is not required Multi Function knob Adjustable steering and throttle percentage (dual rates) Adjustable steering and throttle sensitivity (exponential) Adjustable steering and throttle end points High 13ms frame rate and near zero latency for responsive control Telemetry ready 5 channel micro receiver Clipless Body Mount System Quick one hand installation and removal Uses pivoting rear latch mechanism Eliminates body posts and clips Reinforced for extra protection against tearing Drivetrain Full time shaft driven 4 wheel drive Torque Biasing Center Drive™ absorbs shocks and distributes power 17mm keyed wheel hex with 5mm nut Sealed 9′s are miniaturized versions of the patented Champion Pit Bull Rocker LT tires with RC Crawling enhancements added to make these the King of the Heap Atlas 20006623 HO Scale Thrall 53' 3 Unit Articulated Well Car "Blue Patch" DTTX 888737 Car builders responded with new wells of like size to accommodate the new standard