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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
18" vs 19"
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[QUOTE="RM_guy, post: 1232882, member: 20652"] Both the 18 and 19" rear wheel have the same outside diameter tire so gearing is not affected. The 19" wheel uses a tire that has a shorter and therefore stiffer side wall that doesn't let the rear end wallow around in turns. It gives a more precise feel. It is also a bit lighter due to less rubber and that reduces unsprung weight that can greatly help the suspension. The trade off is that it is more susceptible to pinch flats since there is less room for the tire to compress before it hits the rim. Real diehards will have both an 18" and 19" wheel to swap out depending on what they are riding. Most of us aren't quite that diehard and just run the 19" in both MX and woods without a huge problem. You can always use a heavy duty tube is you're concerned about flats or just boost up the air pressure for real rocky or high speed riding. [/QUOTE]
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Forums
MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
18" vs 19"
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