Review on Beto Bike Tire/Shock Pump MTB, 300psi High Pressure - Rear Shock & Suspension Fork, Mountain Bike/Motorcycle - Schrader & Presta Valve Adapter - Dial-Gauge, Bleed Valve, Mounting Bracket by Young Rich

I really like it. Everything I need is there. To my shock, it worked fantastically. One pump was needed per pound of air. Bleeding worked great; I could only take out pieces at a time or put them down quickly. I have not tested the accuracy of the meter with another meter. Everything worked fine on my tires with Presta valves. It took 20 pumps per pound of air. So if you try to inflate a completely flat tyre/tube it will be a lot of work. I ride with 20 pounds. tubeless, so it takes 400 clicks from fully flat; It's a lot of work (don't know how it compares to other mini pumps because I've never used them) but I would only use them in an emergency, in which case I'd be glad to have some. It's worth twice the function to me. The way it spins works well. You have to unscrew the Presta valve adapter and then screw the hose back on all the way, but everything moves freely and quickly. The hose is a little short, a little uncomfortable, but it works. It must be so long that it is no longer than the pump (for packaging). The pressure gauge was not very accurate at this pressure. Beto's meter read around 22-25 pounds (it's small so I can't tell exactly where it is) while my digital meter read 19. I may have lost 1/2 lb of air removing the pump from the tire valve. I'm very happy with its functionality for what it is. It would cost me more and I would have to have two devices if I bought the two functions separately.