Park Tool HCW-5 — Bottom Bracket Lockring Wrench

The HCW-5 is a double-ended wrench specifically designed for cup-and-cone bicycle bottom bracket lockrings. One end features a single hook for universal engagement, while the other end has three hooks for secure fitting on 3-notch lockrings. Heat-treated and nickel-plated, the HCW-5 delivers long-lasting durability and reliable performance.

Features:

• Single hook end fits most notched lockrings with an outer diameter of 43–46 mm

• Three-hook end fits 3-notch lockrings with a maximum outer diameter of 46 mm and minor diameter of 40 mm

• Built for bottom bracket lockrings (use HCW-17 for fixed-gear lockrings)

• Heat-treated and nickel-plated steel for lifetime use