Hobie part # 80043012 Hobie Trax 2 – 30 V2 replacement wheel with blow up tire.  This is for newer version of trax 2-30  that has hair pins to hold wheel on frame.

note the original trax 2-30 has a built in knob on the wheel to hold in position.  We can order the older wheel for you

Wheel is 12″ in diameter and is 7 1/2″ wide.