
GBC XC Master Tire Test: WITH VIDEO
GBC’s high traction, highly durable, cross country race tires. Formerly known as the X-Rex, GBC’s XC Master Tires are claimed to have been remastered for improved race ready performance. The front tires feature a redesigned, narrower, lower profile for improved steering and control. The tire’s six-ply casting was formulated to be puncture resistant. They feature a tall X-knob tread pattern, with vertical ridges running down the tire’s sidewall of the









