caster wheel

In this section, you will attach the caster wheel to the back of the TriBot. I’ve included two sets of building instructions because of the differences in the height of the tires and the parts in each kit. The first set of instructions is for the NXT 2.0 retail kit. If you’re using the original NXT retail kit or the education set, use the instructions in the following section.

If you’re not sure which kit you have, compare your tires with the ones shown in Figure 3-5. If you have the tire on the left, then you have the NXT 2.0 retail kit and should follow the directions in “Caster Wheel for the NXT 2.0 Retail Kit” below. If you have the balloon tire on the right, then you have either the original NXT retail kit or the education set ...

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