Shimano 6/7/8 Speed Derailleur Pulley Set. Works as a replacement for any 6, 7, or 8 speed Shimano rear derailleur. Perfect for replacing those damaged or worn out pulleys on an older derailleur.Features:
10 teeth
Bushing bearings
Durable construction for thousands of miles
Super low coefficient of friction for silky smooth drivetrain feel
May not work on all Shimano rear derailleurs - be sure you are ordering the correct part #