Water is usually the best choice, because it's free (if you're drinking tap water) and has no sugar or calories. But most healthy people can get enough fluid through the beverages they consume every day. These can include water, fruit juices, coffee, sodas, iced tea, and other drinks.
A Cooper-produced non-speed rated passenger tire's maximum speed is 137 km/h. Tire speed ratings do not imply that vehicles can be safely driven at the maximum speed for which the tire is rated, particularly under adverse road and weather conditions, or if the vehicle has unusual characteristics.
Tires with a Q speed rating can safely sustain speeds of up to 99 miles per hour. The tire may be able to reach higher speeds, but going faster than 99 mph for any length of time is not safe. The tire is not designed to handle the stresses. What is a Z Rating? For tires rated above 149 mph, a Z rating may appear in the size designation. Safety and Speed Ratings. When you get new tires, choose tires with at least the speed rating your car or truck's manufacturer recommends. It's ok to move up to a higher speed-rated tire, but don't go lower. The speeds shown are test speeds; they are not recommended speeds. Please obey speed limits.