Park Tool HCW-5 Crank Lockring Spanner Wrench

The HCW-5 Double-sided bottom bracket lockring hook spanner has two different hook ends; one with a single hook and the other is a hook spanner. 

USE: For bottom bracket lockrings

• A single hook and a hook spanner
• Three-hook end is for three notch lockrings at a max diameter of 46mm, and minor diameter (in the notches) of 40mm
• The HCW-5 is designed for bottom bracket lockrings. For fixed gear lockrings, use the HCW-17