The Park Tool HCW-5 Bottom Bracket Lockring Wrench, click to enlarge
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Item # HCW-5

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Bottom Bracket Lockring Wrench

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.

NOTE: The HCW-5 is designed for bottom bracket lockrings. For fixed gear lockrings, use the HCW-17.

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