(Clockwise) "Digital Drive" refers to Lezyne's addition of an accurate, digital pressure display. The Shock Digital Drive pump on the left had a smaller barrel and piston that work to attain higher pressures. Wooden handles are the best.
Two styles of Lezyne's screw-on pump heads are shown; on the left is the Shock Thread Chuck, on the right is the standard Flip-Thread Chuck. Lezyne also sells other styles of pump heads.
|Lezyne's Digital Drive series offers great performance in a good looking package. The 3% accuracy offered by the gauge means that at around 30psi you're within 1psi of the actual pressure plus the digital display is large and easy to read which puts you in better control of your pre-ride tire preparation. Having to replace batteries, on the other hand, adds complexity to a once-simple tool. The entire series of Digital Drive pumps are high-pressure designs, that seem better suited for road bikes; us mountain bikers will be left wishing for larger-volume barrels to get more air per stroke into our fat treads. The Flip-Thread Chuck is also going to be polarizing; those of you who prefer the secure attachment of a thread-on air chuck will prefer this system, versus those who like the speed of a more typical push-on or lever-type pump head. The presumed improved durability of a thread-on attachment over the rubber seal of a standard head may win some of you back. One thing we didn't get on so well with was the air-bleed valve smack in the middle of the Flip-Thread Chuck. While it works really great with a Presta valve, it doesn't seem so well thought out for a Shrader valve. We wish there was more material above or below the bleed valve as it was hard to unthread it without accidentally releasing some air - there just isn't enough gripping space on either end. This isn't a problem for a Presta; it's meant to release the pressure from the hose before unthreading. One observation we made was that if you run 99-cent Presta-Schrader thread on adapters, both pump heads will not engage the Presta plunger like a standard pump would. The Shock Drive, while potentially being overkill for a casual biker, was a great tool for filling up forks and larger volume rear shocks like the DB Air. The 3% accuracy is on par with best hand pumps, and getting the high pressures required by the suspension components was a relative breeze. The Shock Thread Chuck was also fantastic. None of our gripes with the Flip-Thread Chuck applied. - Michael Klimek|
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