The Lezyne Digital Pressure Over Drive pump makes installing and inflating tubeless-specific tyres a cinch with a big, clear LCD pressure gauge, but it's way more expensive than buying a standalone tubeless air tank inflator and separate track pump. It's also annoying to use as just a track pump on a day to day basis.
Tubeless tyres are slowly gaining more popularity in the road cycling market, but installation can sometimes be tricky with regular pumps. Lezyne's new Digital Pressure Over Drive tackles the issue by using two chambers. The large one you fill up with air – up to 140psi usually works a treat but it's rated to 220psi – and release this via a foot lever into the tyre in one continuous rush of air sufficient to inflate even the most stubborn tubeless tyres.
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The Over Drive is solidly built and feels reassuringly hefty. The base ensures it's planted during use, even on uneven ground, and the wooden handle makes it comfy to use and as ergonomic as it gets. On top of the barrel is a digital gauge with an on/off button that clearly shows pressure. It's powered by a coin cell battery that has not gone flat in several months of testing.
As I said, there are two barrels, a regular track pump skinny barrel and the second much larger chamber used to store air. The foot lever at the base of the pump – push it up to contain air in the chamber, press it down to release the air – is a nice idea, but it's not quite as easy to execute as I feel it could be, and it's a little tricky to hook your shoe over the edge.
On the end of the generously long hose is Lezyne's ABS2 chuck, which is compatible with Presta and Schrader valves; you simply push it onto the valve and ensure the outer aluminium sleeve is popped up to lock the head onto the valve. It stays firmly in place without any problems. There's a small bleed valve on the chuck so you can set your desired pressure.
Going some way to offset the high cost is the fact that it also doubles up as a regular track pump, so if you're also looking to invest in a track pump as well as a tubeless inflator, it might be a good option. To use as a regular track pump, make sure the foot lever is placed in its lower position, and pump away.
You do, however, have to fill the large chamber first, so there's a delay before the pressure starts increasing in the tyre because the chamber has to reach the same pressure as the tyre. Then, when you pull the chuck off the valve you get a massive rush of air from the second chamber of air, which is a tad noisy and annoying. It's useable, but not as pleasant an experience or as quick as a regular standalone track pump.
> Buyer's Guide: The best track pumps
If you've already got a track pump, you'd do well to save yourself a big wad of cash and look at the Airshot or Beto tubeless inflators. Each costs around £50 and is easy to use, and leaves you with a track pump that is potentially nicer to use on a daily basis.
The Lezyne Digital Pressure Over Drive is beautifully made and inflates even the most stubborn tubeless tyre. I've tested it with multiple road, mountain bike and cyclo-cross tubeless tyres with excellent results. But it's very expensive and slightly flawed as a regular pump, though it certainly works. If money is no object and you have a lot of tubeless tyres to manage, the Digital Pressure Over Drive has a lot going for it.
Easy tubeless inflation and solid build quality but expensive and not as nice to use as a regular track pump
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Make and model: Lezyne Digital Pressure Over Drive
Tell us what the product is for, and who it's aimed at. What do the manufacturers say about it? How does that compare to your own feelings about it?
Lezyne says: "With a conjoined secondary chamber that can be manually pressurized, the Digital Pressure Over Drive floor pump is capable of conveniently seating tubeless tire systems. An integrated foot-lever opens and closes the chamber; when the chamber is full (Max. 220psi / 15 bar), flipping the lever down creates a powerful, continued blast of air that can seat road, mountain and plus-sized tubeless setups. This provides tubeless users an effective alternative to air compressors and CO2 units. Furthermore, a highly accurate digital gauge is incorporated into the pump for precision inflation when filling low- or high-pressure tires. Constructed from high-grade steel and aluminum, the Digital Pressure Over Drive is extremely durable and features an extra long, nylon-reinforced braided hose. The innovative ABS2 chuck is both Presta and shrader compatible and the system can also be used as a regular floor pump."
Tell us some more about the technical aspects of the product?
Lezyne lists these features:
Aluminium (barrel and base), Steel (Piston), Wood (handle)
Designed specifically for easy seating of tubeless tyres
Foot pedal activation of secondary pre-charged chamber
Can also be used as a regular floor pump
Compatible with Presta and Schrader valves
Built-in safety release to prevent over inflation
ABS-2 chuck equipped
Precision digital pressure gauge
Tough anodised high-polish finish
Maximum Pressure: 220psi/15bar
Rate the product for quality of construction:
Usual excellent Lezyne build quality.
Rate the product for performance:
Inflates even the most stubborn tubeless tyres.
Rate the product for durability:
The metal construction has ensured it's been durable during the several months I've been testing it.
Rate the product for weight (if applicable)
It's not light but it's designed as a workshop tool.
Rate the product for comfort (if applicable)
The wooden handle adds a nice ergonomic touch.
Rate the product for value:
It's very expensive compared to buying a regular track pump and standalone tubeless inflator.
Tell us how the product performed overall when used for its designed purpose
Delivers easy tubeless installation so in that regard it meets its intended design brief.
Tell us what you particularly liked about the product
Easy tubeless inflation.
Tell us what you particularly disliked about the product
Not so pleasant to use as a normal track pump.
Did you enjoy using the product? For installing tubeless tyres, yes.
Would you consider buying the product? Probably not.
Would you recommend the product to a friend? Maybe
Use this box to explain your score
The Lezyne Digital Pressure Over Drive works very well if you want an easy method of installing tubeless tyres, but for the occasional task that fitting tubeless tyres most often is, you might be better served and more cheaply by other options.
Age: 31 Height: 180cm Weight: 67kg
I usually ride: My best bike is:
I've been riding for: 10-20 years I ride: Every day I would class myself as: Expert
I regularly do the following types of riding: road racing, time trialling, cyclo-cross, commuting, touring, mountain biking
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