thanks super. I never know this product exists. I don't think I will do any more modification. The revolution tires runs well on trackmaster 1 and tomy tracks (except for the stop tracks) ,
My Trackmaster/Tomy/Plarail Photo Gallery Page (over 600+ photos and still under construction)
https://www.flickr.com/photos/183311600@N03/
https://www.flickr.com/photos/183311600@N03/