Slime Power Sport Tire inflator. A bit cheesy but fine for occasional and emergency use:
Another alternative is CO2 tubes.
For the garage, I have one of these which works great for me:
You can find them cheaper if you shop around.
I also use Ride-On TPS in my tires which is the same principle as “Slime” tire sealant but for motorcycles (high-speed). I’ve never had a puncture since I started using it, but don’t know if that means anything or not. It was well rated by Larry Grodsky and is apparently used by police and transport companies etc. so seems legit.