DER PART KOGEL PULLEY KOLOSSOS w/INNER CAGE OS XTR 9100 BK

Description

Upgrade for Shimano XTR and XT 12 speed rear derailleurs

Built to offer extremely low friction paired with increased stiffness for loss free shifting

Long tooth profile on lower pulley offers best possible chain retention

Lower pulley assembly features a chain catcher to prevent jams

Can be used dependably on or off road

Oversized 14 and 18 tooth Kogel pulleys