Ulti's spec tire with blue stripe offers great performance for 1/12 spec racing. Using Ulti's consistent and quality foam, a blue foam stripe is inserted for easy recognition of the control tire. Mounted on Ulti's world renowned precise carbon wheels, tires are true and round for maximum performance. While the foam compound has been tested for several years to be proven the best choice for 17.5T spec racing, this is also a very common tire used in GT12F racing and even works well in 13.5
