【Mini4WD】Is a ball bearing that costs 1,400 yen effective? 【Mini4Cumaster】

[@SpeedStar76]

Excellent I love new video day 😍

[@Yeremiaverdika]

Wuiiiii new video, niceeee

[@raulcagas4153]

How about hollow steel wheel shaft vs stock shaft, any improvements?

[@cwfqayin]

If I remember correctly Hollow shaft is harder and lighter than normal shaft.

[@Yeremiaverdika]

What about the comparison between AO 602 with this HG roundhole bearing?