Hi
So might be a hard one, BUT how are these tyres different in performance.
LH03 is the tyre for lur National classes.
LPM is for KZ classes
LOH is the FIA “hard/option” tyre.
BUT where are the LH03 compared to the two FIA homologated tyres in performance.
I know the KPM is faster then LOH
LPM is a high grip tyre
LOH is a medium/high grip tyre
LH03 is a medium grip tyre
In Australia LH03 (LH03Aus) is used for KA100 & TaG Restricted (Rotax / X30 Exhaust restricted like a Jr). It has lower performance than the CIK-FIA tyres.
LOH (Option Hard) is used for TaG classes.
LPM (Prime Medium) is only used for KZ & KA2 (the top Junior category with Rok DVS Jr)
LH03 has less outright grip than an LOH, but also behaves differently.
Sidewall stiffness is different, it doesn’t have the same straightline grip as an LOH, can carry nearly the same minimum corner speed, it’s more forgiving and doesn’t mind so much if you give it a little slide. If running them in X30 you would need to be a bit kinder on the exit throttle.
LH03DK may not be the same tyre we get down here.