Low Profile vs High Profile Tires: This article was prompted by a YouTube video on the same subject that was ……..ah …….. Let’s just say I thought I could do a better job. But let me start by saying, the variability within a given size is quite large – so large that tires on the extremes could be the reverse […]

TRX and PAX Tires In the late 1970’s, the transition from bias ply tires to radials was more or less complete. The typical aspect ratios were 80, 78, and 75, with 70 series considered low profile. It was known that the lower the aspect ratio, the better the handling, but the worse the ride. The […]

This article is going to compare bias ply tires with radials. While I will be referencing passenger car tires, the comparison would apply to any type of tire. There’s a summary at the bottom of the page, but read the introductory paragraphs first. They explain how I am organizing this. Everyone needs to be aware […]

Other Types of Tires: This website has been talking almost exclusively about passenger car tires. Occasionally, I will talk about Light Truck tires. In this article, I am going to address the other kinds of tires. Just for reference, I am going to follow the order tire standardizing organizations follow (and – YES! – they […]

Key Takeaways Definitions When I use the term “EV”, I mean “BEV”—Battery Electric Vehicle—that is, vehicles which only have an electric motor for propulsion. Peculiarities of EVs There are a number of things peculiar about EVs: I’m going to take each of these individually. Range Where tires play a role here is in rolling resistance. […]

This article is about travel trailers (RV’s) that have ST type tires. Other kinds of trailers or other types of tires on RV trailers are not specifically addressed here. HOWEVER, if you have a trailer of any sort you may find the information of value Tips for ST tires: When I originally published this webpage, […]