Pirelli Front Tyre Scorpion XC (Mid-Soft) Size 80/100-21 M/C 51R MST WINNING CROSS-COUNTRY TYRE IN MID-SOFT CONDITIONS High Module Low Shrinkage polyester carcass for regular and large footprint area to maximize traction and braking. Optimised steering precision and traction provided by the small hard blocks on the front. Racing compound for a high performance level for the entire race, regardless of conditions.