Versatile, fast & stable, Specializeds Ground Control Sport Tyre offers an excellent blend of grip & traction in just about any conditions. The tread pattern has been optimised using FE Analysis to ensure every knob performs to its best, while the tough 60 TPI casing boosts durability & stability. An affordable wire bead has been used on the Specialized Ground Control to achieve a superb price for class leading performance. Description by Mark, Rutland Cycling Web Team.