60mm Mecanum Wheel Set Omnidirectional Smart Robot Car with 6.7mm coupling and Screw Black Red

Product Description
Note: This Wheel set set is specific for TT Motor

MCNAMUM WHEEL 60MM-K (4PCS/SET?
Features:

Name: Mecanum wheel
Weight: 40g (single)
Inner diameter: 6.7mm
Outer wheel diameter: 60mm
Thickness: 28mm
Number of lower wheels: 9
Carrying capacity: can bear 5 kg (4 together)