Park Tool BB Adjustable Cup Wrench HCW-11

. As a manufacturer of bicycle specific tools since 1963 you can safely rely on Park Tools' many years of experience. The world's largest bike tool manufacturer is the first choice of professional and home bicycle mechanics around the world The 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 Buy Park Tool Bottom Bracket Adjusting Wrench from Chain Reaction Cycles, the World's Largest Online Bike Store.