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Old 06-21-2012, 06:11 PM   #21
Beastly Adventurer
Joined: Aug 2008
Location: hunt country virginia
Oddometer: 1,375
Originally Posted by Idle View Post
I'm looking to go the other way. I'm getting to a point where my speed on the straights on rocky trails is fast enough to trash my 17" rims. I need more sidewall for the square rocks. Also some knobs would give me a faster corner speed I think.

Have 3.5 and 5.0 x 17" rims and air down to 15 to 18 psi for trail work. It works very well for what it is. Phenom braking and little wheelspin on loose climbs. The 160 rear has a massive footprint at 15 psi. Can climb slow or fast without hardly any kickout.

To keep my forks and radial caliper I'm thinking of getting a 19 x 3.5 complete front wheel and a 4.25 x 17" rear rim. I've already got spokes and a Kush hub. The 4.25 would give me many d/s tire options. A 21" wheel has caliper/spoke interference problems.
Sweet berg. I think most are running skinnier than 3.5 on the 19s, don't know. The narrow rims are tougher?

I made one out of a 2.15 x 19 rear MX rim:

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