9mm gauge, Super slow drive unit, RTR

The photo is the same as other chassis. Please see to the drawings for detailed dimensions. There are drawings for dia. 5mm wheels and others (6 and 7mm). 

Features
- For N gauge, HOn30, HOe, 009 or other 9mm gauge models. Ready-to-run drive unit. 
- This item has eight variations. Wheel dia 5.0, 6.0 and 7.0mm, wheel base 11, 12, 14, 16mm. Includes one RTR unit and four unpainted 3D printed wheel centers. 
- Currently the 5mm diameter wheels are available in wheelbases of 11 and 14mm. The chassis with 5mm diameter wheels are different from the others (6 and 7mm wheels). See the drawing for details. 
- 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. (33 and 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.

#6623: dia 5.0, wheel base 11mm NEW!
#6511: dia 6.0, wheel base 12mm
#6521: dia 7.0, wheel base 12mm
#6643: dia 5.0, wheel base 14mm NEW!
#6531: dia 6.0, wheel base 14mm
#6541: dia 7.0, wheel base 14mm
#6551: dia 6.0, wheel base 16mm
#6561: dia 7.0, wheel base 16mm