6.5mm gauge, Super slow drive unit, RTR

The photo is the same as other chassis. Please see the drawing for detailed dimensions. 

Features
- 6.5mm gauge for Z gauge, Nn3 or other 6.5mm gauge scales. Ready-to-run drive unit. 
- This item has two variations. Wheel dia 5.0, wheel base 11, 14mm. Includes one RTR unit and four unpainted 3D printed wheel centers. 
- The chassis is made of 3D printed high performance UV resin and is coated to reduce wear and already painted black. 
- Our 12V coreless motor, M0.2 gear system are used on the chassis that enables realistic run from extremely low speed (43mm/s-6V*). 
- It can be held in place by a center tapped tabs on your printed body or floorboard. See drawing for dimensions.
*Millimeter speed per second at 6V that was calculated from no-load motor rotation speed. 

#6621: dia 5.0, wheel base 11mm
#6641: dia 5.0, wheel base 14mm