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.

FEATURES

• HCW-11 fits "slotted" bottom bracket adjusting cups and cups with raised 16mm wrench flats
• These are common on older English bicycles and less expensive bicycles
• The opposite end has two ears that are 23mm wide and approximately 5mm wide