The LEGO Technic 42099 4X4 X-treme Off-Roader is a well-balanced vehicle, but despite the look it is more tuned for speed than for hardcore off-road crawling. Check out this simple method to swap some gears and turn the set into a very capable crawler that outperforms even the previous LEGO Technic 9398 4x4 crawler! Check out my full review of the set and the details about the new Powered Up parts here:
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