Park Tool - HCW-9 Bicycle Headset Wrench



Park Tool - HCW-9 Bicycle Headset Wrench

Our popular and versatile Head Wrenches feature our proven “Y” head design and all headset wrench openings are lazer cut to ensure a tight, accurate fit. Precise sizing is achieved by high voltage computer controlled lazer technology after heat treat. Waiting until the wrench is heat treated eliminates shrinkage and expansion of the steel after the wrench is sized. It takes longer, and costs more, but it’s worth the extra effort.


  • 36mm and 40mm head wrench


Component Used OnHeadset
Tool TypeWrenches
Tool CategoryShop
Manufacturer's Part #HCW-9


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