Used for re-aligning rear derailleur hangers and maintaining precise gear shifting, compatible wheel sizes from 20" to 29"+ and screws directly into rear derailleur hanger threads

Head set cup remover, for 1.1/4" and 1.1/2" cups

The head set cup remover makes removal of cups 1", 1-1/8" and 1-1/4" from the frame easy