Rubber Wheel + 3V-6V DC TT Motor For Smart Robot Car

Specifications:

About TT motor:
Working voltage: 3V - 6V
Reduction ratio: 1:48
For robot smart car

About wheel:
Diameter: 68mm
Width: 26mm
Centre hole: 5.3 x 3.66mm?

Package included:

1 x wheel
1 x TT motor
?

?