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Tires at High Speed

daddydarko

New member
It's almost test and tune season here in Michigan and I'm going to bring my :spyder: to open her up for the first time. Does anyone know if these tires hold up above 120mph? The low PSI worries me a bit.
 
daddydarko said:
It's almost test and tune season here in Michigan and I'm going to bring my :spyder: to open her up for the first time. Does anyone know if these tires hold up above 120mph? The low PSI worries me a bit.
I had some concerns, especially from a sanctioning body point of view. The tires are marked "For Motorcycle Use Only", but I didn't notice the load and speed rating on them. Had to go look. The fronts are rated 47H, and the rear 68H. The number is the load rating. 386 lb eacj for the fronts, and 694 for the rear. The H is the speed rating. That equates to a design speed of 130 mph, and a test speed of 210 mph. I would recommend running them near the max pressure rating to achieve these speeds, but the fronts may do fine lower. Monitor the tire heat right after an easy run or two.
-Scotty
 
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