The Specialized Fast Trak Control 2Bliss Ready T7 Tire has become synonymous with fast and lightweight tires that are able to handle the most technical courses and the most grueling conditions. This model redefines what was thought possible with a cross-country tread design. The Block-In-Block design uses a taller adaptable inner block to pierce the ground and claw for traction. The larger outer structure supports the inner block for additional speed, traction, support and stable handling. Adding to this, the Fast Trak profile and knob spacing has been optimized for a wide variety of internal rim widths. The Control casing is a light and durable do it all XC construction. To top off this build Specialized uses their T7 compound to maximize grip and damping.