Light hardpack trail riding with no roots, rocks or jumps should be okay for the bike as is. If you are doing something much more than that perhaps renting an mtb might be an idea. Getting new wheels with wider tires also includes a new cassette - and frame clearance.
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Originally Posted by
making
Please dont outsmart the censor. That is a very expensive censor and every time one of you guys outsmart it it makes someone at the home office feel bad. We dont wanna do that. So dont cleverly disguise bad words.