AJA #45: Pump Accuracy & Cheap Carbon Parts

Hear why that "psst" when you pull the chuck is just hose air (not lost PSI), how to set smarter pressures for tandems and "big-butt" weight splits using a bathroom scale, and what tread actually grips on loose-over-hard. Josh also demystifies analog vs. digital gauge accuracy (and drift) and tackles the carbon-on-the-cheap question—when a bargain is fine, and when it's a dentist bill waiting to happen.