Are big wheels always faster? Or can a “mullet” setup with a smaller back wheel give you more speed and style? We set racer, coach and tech-expert Will Soffe the challenge to find out.

Most mountain bike riders are familiar with the commonly available mountain bike wheel sizes: old school 26in wheels, fun and playful 27.5in and the now de-rigour 29in wheels seen on enduro and downhill race machines.

Outliers are the 24in wheels seen on the likes of Danny MacAskill’s trials bike and the truly gigantic 36in wheels used on wild custom-built steel hardtails.

But what if we could have our cake and eat it too? The penny and the bun?

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