I know ..... OLD THREAD ..... but maybe it helps someone?
Thanx, Lee......Doubled-checked and they're Dunlop G/T Qualifiers, P245/60R15's. If I'm not mistaken, the first number is the tread width in millimeters. For example, the 245 would be 245mm wide, which is just shy of 9 3/4". More than anything, it seems to be the width of the tire that's fighting me every time.
As long as these original rims will accept 205 thru 245, am going to opt for 215/60/15's, approx. 8 1/2" wide and probably just the ticket for the much needed clearance.
Thanx again and enjoy the weekend ThumbUp
First number is cross section of tire at fattest part side wall to side wall on a specific rim .... usually near center of range recommended for that tire.
Second number is aspect ratio ....
60 being 60%.
From bead to tread is thus 60% of 245 in this case.
Third is rim diameter.
As to the
245/60-15 Dunlop GT Qualifiers on a Lehman .... mine wore down enough that I started worrying about hydroplaning in even light rain and after some checking, I found that
215/70-15 were 4-5 pounds lighter each, the tread 1" narrower than the fatter ones, and I already knew they worked well on a 15x7" wheel. They are also just a couple tenths of an inch taller than the 245/60s so no loss in speed vs rpm with the 3.08 rear gear. I found
"LEMANS SR" white letter tires that look great on a Lehman" trike, same tire as a Firestone Indy 500 .... then ..... but they are no more so I need something else next time.
215/60-15s would work but at the sacrifice of trike rear ground clearance and elevate engine rpms at 60-65 even higher .... but it would make it pull harder with the shorter tires on the BRP ..... Hmmmmmmmm?
I also made some 1/2" spacers for between the wheel and drum and used longer tough Moroso Wheel studs cut down some to mount. This brought the tire sidewall back out towards the fender like it sets with the 245s, for asthetics.
I find easiest way to get tires off either way is to jack trike by frame (
made adapter for jack) carefully and slip jack stands underneath with axle hanging so tires are 3 inches or so off floor, then remove nuts and tilt bottom of tire inwards under trike as top rotates out and down.