Robots and Electronics > Mechanical Components > Wheels
Dual Function Hub Wheel D70 x 12 mm
item no. RTW102246/7012
This specially designed hub is made with two functions. It can turn out to be a wheel with tire over it and a sproke wheel with rubber track.
It's shaft mount in the center can be switched to match four different shaft diameters, which are 3 si 4 mm.