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Tire sizing

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I'm getting ready to order some tires for my KLX400. Based on opinions on this site I'm going to try the MT16s. Rocky Mtn lists rear sizes as 4.00 or 4.50. Which one of these is closest to the 110/100 that is on the bike now?

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Why dont you just do a google search for Metric calculator? BTW its 100mm for the 4 inch, and 114mm for the 4.5 inch.

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Why dont you just do a google search for Metric calculator? BTW its 100mm for the 4 inch, and 114mm for the 4.5 inch.

Better yet, lets answer his question :applause:

the MT 16 comes in only two 18" sizes

110/100-18

120/100-18

You want the 120. (or 4.50 if they show that)Pirelli sells and markets them in the Metric designations,, not sure why that retailer your looking at would screw things up and list them in inch sizes :bonk:

TT store has um if your interested

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I probably would have recommended the 450 size ( 120/100X18 ) but the old 400 size is now called a 110/100X18 . It was a large 400 sized tire. Probably ok.

I used the ( 450) 120/100X18 on my XR400 (actually a 440 ) with good results.

I wonder thought if the tires that Rocky Mtn M/C Accessories are selling are really 400 or 450 marked tires. That would mean they were at least 2 to 3 year old tires. Might be a bit prone to chunking if that old. tires get harder with age.

I usually don't use a tire if it is much older than 1 year old.

Cher'o,

Dwight

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Thanks guys, all I needed to know. On their web site RM lists a 110/100 and a 4.50. Dwight is more than likely right that some of them are old stock.

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