Why the Accu-Gage PR30BX with Rubber Guard is the best choice for your Fat Bike low pressure bicycle tire gauge Presta valve compatible - works with Fat Bike Presta valves (**NOT compatible with Schrader valves found on cars and ATVs**) 0-30psi range - ideal for Fat Bike tires where the smallest variation of pressure has a large impact on ride quality and traction Bronze Bourdon tube - unlike digital gauges, precision movement is not affected by temperature, humidity or altitude Large 2 inch dial - clear, easy-to-read display Holds pressure reading - needle stays put until released Integrated bleed button - for easy deflation adjustments / release pressure reading Accuracy - calibrated to ANSI B40.1 Grade B international accuracy standard No batteries required - mechanical gauge performs reliably & accurately without batteries Gear-style cover - durable rubber cover protects your gauge from drops & knocks Built to last - heavy duty steel & brass construction LIFETIME WARRANTY (USA and Canada) - founded in 1906, G.H. Meiser & Co. will be there when you need them! Accu-Gage by G.H. MEISER & CO. Accu-Gage is manufactured by G.H. Meiser & Co.. Founded in 1906, G.H. Meiser & Co. has a long history in the tire pressure gauge industry. All G.H. Meiser's products come backed with their standard lifetime warranty, whether it be for replacement parts, or complete recalibration.