---
title: Why are slicks sized really bizarrely?
description: A lot of the slicks have different size naming conventions to differentiate it from the road tyres. Also those tyres come from the world of motorsport where things are slightly different, arguably more technical.  
url: "https://twotyres.co.uk/faq/why-are-slicks-sized-really-bizarrely/"
updated: "2021-02-17"
category: Trackdays
---

# Why are slicks sized really bizarrely?

A lot of the slicks have different size naming conventions to differentiate it from the road tyres.

Also those tyres come from the world of motorsport where things are slightly different, arguably more technical.