Fat bike tire gauge If you're rolling on fat tires, the Fat Max 15 is for you. Most tire gauges just don't offer the precision needed for fat tires where 1 or 2 psi can make a huge difference. The strong and durable Fat Max 15 is specifically designed to read tire pressures from 2-15 psi so you can take the guess work out of finding the right pressure for your fat tire bike. - Designed with a low pressure range of 2-15 psi specific for fat bike tires - Durable case and crystal lens - Retains reading until reset - White face plate for easier reading - Compatible with Presta valves with removable core - Presta/Schrader adaptable head - Length: 120mm - Weight: 101 grams