The ABS1 Pro Pump Head from Lezyne is a flip-thread ABS chuck that’s compatible with both Presta and Schrader valves. Constructed of machined aluminum and composite matrix materials, this chuck is exceptionally robust. A fluid brass swivel further augments its durability for long-lasting integrity. Lezyne’s flip-thread system allows the chuck to “flip†for threading to either Presta or Schrader valves. Its 90° angle provides improved function and usability while an integrated Presta valve core wrench ensures easy core tightening and removal with tubeless setups.
- Two chuck types available: high pressure and high volume.
- Weight: 43g (high pressure); 47g (high volume).
- Pump compatibility varies between chuck types.
High Pressure Chuck pump compatibility:
Lezyne CNC, Alloy, Classic, Steel, Sport, and Macro Floor Drive pumps.
Lezyne Alloy, Steel, Sport, and CNC Digital Drive pumps.
Lezyne Macro Floor Drive Digital pump.
High Volume Chuck pump compatibility:
Lezyne Alloy Over Drive pump.
Lezyne Classic Over Drive pump.
Lezyne Digital Over Drive pump.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
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Reviewed 12/15/2017
by Grimes
Competitive Racer
Minneapolis, MN
Value Rating
Overall Rating
Slow to switch between presta & schrader but solid connection
I replaced an ABS-2 head with this new one and like it quite a bit. The ABS-2 has a goofy spring inside that decided to destroy itself, this new design has no springs and fewer o-rings so I'm happy. You unscrew and flip the end to switch between presta and schrader valves, which is a little annoying, but it only takes a few seconds (same as the Micro Floor Drive XL). I don't know how useful the valve core wrench will be but it's a harmless addition, so I like it. Overall I like Lezyne's pumps and this new pump head doesn't disappoint.
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Reviewed 8/13/2020
by Riccardo
Cycling Enthusiast
Seattle
1 of 1 customers found this review helpful.
Threaded chuck is a great option
I find that a threaded chuck like this Lezyne product fits more securely and hence pumps more efficiently than clamp on chucks. However, it is sometimes possible to inadvertently remove the valve core (if you use a removable valve core) when unthreading the chuck. This only happens occasionally and is avoidable with some attention, so I find that the superior function of the chuck overcomes this minor nuisance. I have even reversed the chuck to the Schrader fitting to use it to pump up automobile tires, and it is one of the few pumps that can do this successfully. Not an important use case but an example of how well the chuck fits the valve.
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Reviewed 8/15/2020
by aharmon
Cycling Enthusiast
Duluth MN
2 of 2 customers found this review helpful.
Nicest Pump Head I've Found
I have tried pump heads from Topeak, Park Tool and Birzman (that I loved until it started blowing off all the time and no number of o-ring replacements would fix.) This Lezyne is definitely the best I have used. Takes a moment to connect, so not the fastest to use, but it connects positively and disconnects without air loss.
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Reviewed 4/22/2019
by Peter
Competitive Racer
Corona, CA
much improved replacement for OME
Screws on and off, no leaking air
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