The facts have been uncovered using photoelectric sensors, power meters, and accelerometers: 32-inch wheels roll more smoothly over obstacles and can measurably make up time on technical terrain. For racers, every percentage point counts—this is where the advantage can really pay off. This is exactly what Ludwig Döhl’s detailed system comparison demonstrates, in which he tested and thoroughly evaluated a 29er against a 32-inch hardtail setup.

But that is precisely where Andreas Kirschner’s criticism comes in. In his detailed YouTube clip, he makes it clear: Larger wheels also mean more weight, more inertia, and profound changes to the entire bike. The result: less agility and a high technical and financial investment.

The bottom line on the 32-inch topic today is clear: 32 inches is not merely a marketing gimmick—but it’s also not a breakthrough. It offers a noticeable advantage for ambitious riders and racers, but for most, the gain is too small for such a major change. A breakthrough seems even more unlikely, as 32 inches is out of the question for smaller riders.