they mainy come from the motorsport side, when they first release these they were aimed at road legal motors running drift,drag,time attack events but motorsport MD my boss couldn't be arsed to promote these to busy with the rallying side of things but what i have heard they are a good track tyre and a very good road tyre but won't get much mileage out of them here's abit of a spec

*Superior Control
The worldĄŻs first use of High Grip Silica Compound (HGSC) technology enables outstanding grip.
*Crisp Cornering
Extra wide shoulder blocks and steel reinforced 2-layer carcass ensure tight cornering.
*Enhanced Durability
2-ply high density nylon full cover and rayon carcass provide greater durability at high-speeds.