C-6168 Pololu Idler, plastic ball Ø9,5mm

The idler or robotic wheel or ball wheel is the perfect third support point for a differential drive robot.

The use of this ball wheel offers better performance and prevents the robot from crawling on the ground.

Unlike normal wheels, the ball wheel does not override the drive motors or change the robot's path.

Pololu idler wheel, plastic ball Ø 19mm. Includes 1.6 and 3.2 mm spacer. 2 screws are also attached.