Ever wanted to know how much you're losing or gaining by choosing a high-end tyre compound?
Well wonder no more, as our resident XC racer Joe Norledge has done the hard work for you by pitching Schwalbe's top spec Racing Ralph in their Addix Speed compound against their more affordable Racing Ralph in the Addix Performance compound.
![](https://s2.save4k.ru/pic/tOX1LDIYIZ4/maxresdefault.jpg)