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Lezyne Alloy Dirt Floor Drive Pump


Item # LED0142

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Item # LED0142

Tubeless inflation.

There are two differences between the Alloy and CNC Dirt Floor Drive Pumps from Lezyne. The first is that the Alloy has a varnished wood handle. The second is the steel piston substituted for the CNC-machined one. The cost is a little extra weight, but the benefit is a lowered price. If you're a fan of wood handles, it's a double-bonus.

Otherwise, the pumps are the same. Lezyne's high-volume (aka mountain) pumps are different from their high-pressure (aka road) brethren. Larger diameter barrels for more volume, larger connections to move the air, larger diameter hoses to put that air into the tire faster, and pressure gauges that read lower pressure more precisely. This moves double the air per stroke and makes it easier to seat tubeless tire beads. The Dirt Floor Drive Pumps have a barrel with a 37mm interior diameter to get more volume in fewer strikes and a 2.5in pressure gauge that reads up to 70psi.

The rubber hose is 43 inches (130cm) long. At the end of the hose is a flip-thread chuck, a reversible head for both Schrader and Presta valves. It has a button for bleeding air, which is called the ABS (Air Bleed System). The pump comes with a Speed Chuck, a thread-on slip-fit Presta head with a 90-degree angle to easier set the chuck.

The Lezyne Alloy Dirt Floor Dive Pump measures 7.9 x 9.8 x 26.2in (20 x 26 x 66.5 cm). The handle is 9.5in. The interior diameter of the barrel is 37mm, which means the pump has been optimized for high volume applications. It has a claimed weight of 3.6lbs (1.6kg). The color is High-Polish Light Gray.

  • Alloy body
  • Varnished wood handle
  • Steel piston
  • 70 PSI gauge
  • Rubber hose with Speed Chuck
  • Optimized for mountain bikes
  • ABS Air Bleed System
  • Works with Presta and Schrader valves

Tech Specs

Claimed Weight:
1633 g
yes, ABS (Air Bleed Equipped)
Hose Length:
43 in
7.9 x 9.8 x 26.2 in
Valve Type:
Presta, Schrader
[barrel], [handle]
Recommended Use:
inflating tires
Max Pressure:
70 PSI 4.6 bar

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Lezyne Alloy Dirt Floor Drive Pump

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Here's what others have to say...

3 5

Love the pump but guage failed quickly

  • Familiarity: I've put it through the wringer

Inflate tubless with no compressor. Great action to fill your tires fast. However my guage failed quickly