Lezyne ABS Flip Chuck

Replacement ABS Flip Thread Chuck for all High-Pressure Floor Drive floor pumps and all Micro Floor Drive hand pumps.

The Flip Chuck has its name because each end of it interfaces with either a Presta valve or a Schrader valve - in both cases threading onto the valve cap threads. To switch from one to the other, it un-threads from the swivel/hose connector, so it can be "flipped" 180 degrees and reattached.

The Air Bleed System (ABS) is an in-line air pressure release valve built into Lezyne Flip-Thread Chucks and Flex Hoses. When using an ABS equipped Lezyne floor pump to inflate a Presta valve tube, pressing the ABS button releases the air back pressure. Releasing this back pressure allows for the easy removal of the Flip-Thread Chuck without the risk of unscrewing removable Presta valve cores. When inflating Schrader valve tubes, pressing the ABS button releases air from the tube to adjust tyre pressure.