The flippable design allows for both Presta and Schrader valve compatibility and threads on for secure , reliable engagement. An integrated Presta valve-core wrench completes the system, providing easy valve core tightening or removal for tubeless systems.
09.28.2017 - 12 exciting new bike tools from Interbike - MTBR
"The Pro head is an upgrade to Lezyne’s classic chuck. It makes swapping between valves simpler and also incorporates a valve core removal tool."