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

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Adjustable Cup Wrench

The HCW-11 fits slotted bottom bracket adjusting cups common on older English bicycles and less expensive bicycles with raised 16mm wrench flats. The opposite end has two prongs that are approximately 23mm x 5mm for cups with recessed slots.

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