The
Trail Doctor in IN, and he's writing you a prescription for getting your bike's
gear shifting working again. Bad shifts can ruin a ride or even snap a chain, so
knowing how to fix your shifting on the trail is essential. Delving into 30+
years of mountain bike experience - from shop mechanic to magazine bike tester -
MTB pro photographer and adventure nut Dan Milner gives you the heads up on
what's up and how to fix it. Now turn your head and...
laugh.
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