Rode one of these (22") a week ago for a brief test drive. Took some getting used to the 4" tires and how soft they were. Handling, accelerating and maintaining speed weren't all that much fun. But that's not what it's about, it takes to the off road and normally unride-able surfaces and obstacles like riding over curbs a cinch though. Tires weren't really knobbies, but had spider patterns on them.

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