On the Yokohama A048 what is the difference between LTS and MH? On the Yokohama A048 what is the difference between LTS and MH? I don't know what the MH stands for, but the LTS (Lotus Tuned Suspension) is supposed to be special, less stiff sidewall versions of the tires especially for the Elise's light weight. From TireRack:

"On the M vs MH:

We haven't done test on these tires so we don't have any direct feedback
or first-hand experience with the new compounds.

According to sources at Yokohama, the M compound is good for autocross
or very short time-attack sprints, where tire temps will not build too
high. This is not a track compound. The M compound should have higher
grip levels than Lotus OE spec.

The LTS A-048 compound (original equipment on the Sport Package) is a
unique compound that has been spec'd and tuned by Lotus, and is very
similar to the MH compound.

Also, the construction of the LTS tire is different than all other A-048
versions. The Lotus spec has a nylon carcass, while all others have a
Polyester carcass.

M compound pricing is:

195/50-16 $185 225/45-17 $232.

All 3 tires are molded 6/32nd tread depth. We can shave to 4/32nd's.
Shaving cost is $15 per tire.

We're trying to get tire weights from Yokohama and will forward these to
you as we can get them. Assuming the A048 LTS and A048MH weigh the same
and you're looking at mainly track use I'd recommend going with the A048
LTS since it has been tuned for the car. If you're using for Autocross
the A048M is a better choice.

Thank you. " LTS = Lotus Tuned
MH = Medium Hard Compound
M = Medium Compound

The LTS compound is the same as the Medium Hard compound, but the construction is slightly different, with the LTS tires being slightly lighter in weight. LTS = Lotus Tuned
MH = Medium Hard Compound
M = Medium Compound

The LTS compound is the same as the Medium Hard compound, but the construction is slightly different, with the LTS tires being slightly lighter in weight.
Thanks for that.

I have some front and rear MH and one rear LTS A048s here, that is why I asked...I could weigh them if you like.

BTW per page 123 of the Elise owners manual, LTS=Lotus specific construction Please weigh them if you can.
Does anyone know the effect of the nylon verse polyester carcas? I would prefer a stiffer sidewall. Maybe the MH is better for track use? These are all new A048

225 45 R17 90W LTS; 21.6 Lbs

225 45 R17 90W MH; 22.6 Lbs

195 50 R16 84W MH; 19.8 Lbs

I don't have a LTS front...