I'm switching to road cycling. My diminutive and portable pump will likely be a pain to get 120psi. Rather than get a foot pump with either a built-in or an external pressure gauge, I'm thinking of
Can you inflate a bike tire with an air compressor? - Quora
Bon-Aire 12V Inflator
Continental Gatorskin 700c Road Tire (Wire Bead)
Makita 18V LXT Lithium-Ion Cordless Electric Portable Inflator (Tool-Only) DMP180ZX - The Home Depot
【FAST & EASY】JOJOY LUX Auto Tire Air inflator can Fully inflate standard car tire in 2 to 4 mins. Simply connect it to12V power outlet in your car and
Digital Tire Inflator 12V DC Portable Auto Air Compressor Pump for Car Tires, 150 PSI Auto Shut Off with Emergency LED Flasher, Long Cable for Car
Need to Inflate Bike Tires Fast? 🌪 Use 10020C or 10020AC Air Compressor
Is a powered car tire inflator suitable for road bike tire inflation? - Bicycles Stack Exchange
damage - Tire blowout on long descent - Bicycles Stack Exchange
tire - Hybrid bike how much should I inflate tyres - Bicycles Stack Exchange
Review: 6 Hard-Hitting Rear Tires Ridden & Rated - Pinkbike