Park Tool Head-Gear Lockring Wrench HCW17
Brand: Park Tool
Color: Blue
The HCW-17 features two different radius hooks for a precise fit on most head-gear lockrings
One is sized to fit rings with an outside diameter of 41 to 42mm.
The other side fits rings of 43 to 44mm
Also fits single-speed cassette hubs using lockrings with external notches