I have a friend who rode a Warrior. We put a 280 on the back of his and the handling went downhill. Pushing hard into turns, the bike would actually push the front end out in the opposite direction he was leaning into.
If you're a canyon carver you can forget the 300. If you putt around town, aren't serious about turns, and just enjoy the looks, then the 300 would work I'm sure.
This is based on what I know about the 280. It would probably be great for the track.
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