The 29-4 is Bontrager's answer to loose, rocky trails. It's perfect if you're looking for an aggressive tire that rolls fast and grips hard. And, its cupped lateral blocks and long, buttressed shoulder knobs hold your line when you're stuffing it into corners at speed.
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So far my favorite tire, keeps on working and hooking up in all the conditoins in Central TX. You can feel the knobs on hard pack but they still roll fast. Easy tubeless setup, no burps, much better sidewalls than past Bonti's. Last much longer than other tires I've tried. Their predictably inspires confidence. No complaints easy tubeless setup