Reviews over the

Challenge Gravel Grinder Pro

Good, fast gravel tyre. Very heavy to fit tyre though

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Impossible to wind

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Tire performs well in all areas, irritating though that you almost don't get it placed.

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Does what it says. Runs well on both asphalt and dirt.

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Much too narrow

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Fine (fast) tyre with a good performance on both unpaved and asphalt surfaces. On coarser surfaces with, for example, larger rocks or roots, the tyre lacks grip, mainly due to its width. After 200km (on 80% unpaved roads) the tyre is already showing considerable wear

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As expected, good gravel tyre

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Sorry der Reifen ist totaler Mist, seit Bestellung Mitte Juli hatte ich ca. 6 Platten für Schotter komplett ungeeignet.

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First time imposition not doable without tools (bbb tyre pliers and lezyne tyre lever). Watch your rim stickers as they may not come out unscathed. Tyres once on, good to go. Balls well, get through loose sand nicely. Can even ride with the 36 mm version under the minimum pressure of 2.2 bar without bumping into the rim flange on tree roots and in potholes.

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Have this tyre in 36 width on my cyclocrosser. Especially in the woods with lots of protruding roots, it gives you just a bit more cushioning than the traditional 32-width tyre. The tyre runs great and is incredibly supple. The tyre can also be used for quite a long time. Even in mud. Obviously a bit sliding but doable. I think the biggest disadvantage is the stud structure on the side. If you go sharply through a corner, these studs suddenly 'bite' and your handlebars get crosswise, as it were. This has caused me to fall a couple of times. In short, great tyre but if you ride it at the limit it clearly has limitations.

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