Park Tool - HCW-11 Adjustable Cup Wrench Stock Item:Park Tool Fits "Slotted" Bottom Bracket Cups & Cups with "Raised" 16mm Wrench Flats The toolbox is designed especially

The toolbox is designed especially for bike tools

High turbulent flow for very low temperature depending

One chain for all with compatibility on all leading derailleur systems

Replacement Ringdrive parts for Chris King rear hubs

Park Tool - HCW-11 Adjustable Cup Wrench Stock Item:Park Tool Fits "Slotted" Bottom Bracket Cups & Cups with "Raised" 16mm Wrench Flats The toolbox is designed especiallyPARK TOOL HCW 11 ADJUSTABLE CUP WRENCH 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.