Can you tell the difference between 17 PSI and 25 PSI on your bike? Then you need to get Blackburn's Honest Digital Air Pressure Gauge. It quickly and easily reads your bike tire's pressure so you can find the perfect settings for your specific riding needs. With bikes moving towards tubeless, this handy gauge allows you to maximize performance and riding feel. It's backlit, chimes when its on and registers pressure and is accurate to 1%. Dial in your riding to a whole new level with the Honest Digital Air Pressure Gauge from Blackburn.