Truck tire

A pneumatic tire for use on trucks, the tire comprising:

• a tread and a belt reinforcement structure located radially inward of the tread, the belt structure including a first and second working belt, wherein the angle of the first and second working belts range from about 10 degrees to about 50 degrees as measured relative to the circumferential direction;
• wherein the belt structure further comprises a low angle belt having reinforcements angled at less than 5 degrees relative to the circumferential direction, and wherein the low angle belt has extensible reinforcements;
• wherein the tread has at least one groove reinforced with a tread compound having a tensile at break greater than 12 MPa, and an elongation at break greater than 600%, when measured at 100 deg C.