Park Tool HCW-11 Adjustable Cup Wrench, click to enlarge
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Item # HCW-11

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Bottom Bracket Wrench — Adjustable Cup-and-Cone

The HCW-11 is a double-ended wrench that fits two common fittings found on adjustable cup-and-cone bottom brackets. One end is compatible with the raised 16 mm wrench flats commonly found on adjusting cups, and the opposite end features two prongs approximately 23 mm apart (center-to-center) for cups with recessed slots. These fittings are common on older bicycles and less expensive bicycles including department store bikes. Heat-treated and nickel plated for a lifetime of use.

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