Specialized Ground Control Sport Bike This pack also includes thoughtful

This pack also includes thoughtful internal accessory features to keep your hands free while adventuring

AirScape® mesh-covered die-cut ridged foam provides comfort and ventilation

Contoured ventilated back panel with lightweight frame sheet supports loads

This reversible crew is stylish and practical

ATK's crampons strike the perfect balance between weight savings and durability

Specialized Ground Control Sport Bike This pack also includes thoughtfulThe Ground Control Sport uses an extremely versatile tread pattern which can be used from cross country race to trail, it rolls fast with exceptional amounts of confidence and grip. Our 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. Casing: 60 TPI. Bead: Wire. 26 x 2. 35", PSI 25 50,