Park Tool

HCW-5 Double-Ended Lockring Spanner

The Park HCW-5 Crank/Bottom Bracket Tool is a double sided bottom bracket lockring hook spanner. One side is a single hook, the other is a hook spanner with 3 notches for better engagement in the lockrings. The three-hook end will fit 3-notch lockrings with a maximum outside diameter of 46mm, and minor diameter (in the notches) of 40mm.