New 29++ Go Kart Front Tires And Rims. The reason for that is because that is what i had. For most racing go karts, slicks or rain tires are the way to go. An l shaped valve stem is used for most two piece rims. Yard karts and golf carts can use turf saver tires. Go Kart Front Tires And Rims - 2pack 145 70 6 50 70 Front Rear Tire Wheel Rim Fit Atv Quad Bike Buggy Go Kart An l shaped valve stem is used for most two piece rims.