Guides and how-tos on tire inflation, valve stems, and getting the most out of your Chuck Mates® gear.
Use an open-flow chuck with a portable inflator. Closed-flow chucks are built for shop air. See the differences, a quick test, and when each one fits.
Reach the inner dually valve stem through the outer wheel's hand hole with a long-reach chuck or extension. Steps, tool options, and pressure rules.
Use the pressure on your door-jamb placard, not the sidewall max. The sidewall number is the tire's limit, not a target. Here's why, and how to check it.
Chuck Mates® are quick-connect tire chucks for portable inflators. Platinum uses RatchetSeal™ push-on; Premium uses a brass SimpleSeal™ speed clip.
Air hisses because the valve stays open for a moment after the chuck seal lets go. Learn why screw-on chucks leak more and how to lose less air.
Check tire pressure cold, before driving, at least monthly and before long trips. See why hot tires read high and why you shouldn't let air out of them.
Set the reference needle to your placard pressure, lock on, and match the needles. A step-by-step guide to the SKÖG® Platinum dual-needle tire gauge.
Digital, dial, and pencil tire gauges can all be accurate or off. What "percent of span" means, what ASME grades say, and how to check your own gauge.
An NPT-to-Schrader adapter gives a 1/4" NPT air chuck a valve-stem end your inflator can connect to. Here's when thread tape helps and when it doesn't.
Chuck Mates® fit standard Schrader (8V1) valve stems on cars, trucks, RVs, and motorcycles. How to spot Schrader vs Presta, and who Schrader was.
Proper tire inflation saves fuel, improves steering and stopping, adds tire life, and limits heat build-up. See the exact DOE and NHTSA numbers.