ALP11WR-S – 3/32X.760 Soft Compound Wonder Rubber – These tires feature the super tough, long, long wearing black rubber, which also has exceptional grip. In addition, it is unusually light in weight. This phenomenal compound has come to be called “Wonder Rubber”. Soft Wonder Rubber. Use these if you won’t be narrowing the tires. Lot’s of grip, low rolling resistance, long wearing.