Pulley Bearing Shields (sold in pairs)

Size Guide
Type

All BBInfinite Ceramitech pulley covers come with our offered pulleys. All Shimano and Campagnolo systems use 5mm bolts to secure pulleys into rear derailleurs. All Sram road systems use a 4mm bolt to secure the upper pulley and a 5mm bolt for the lower pulley. The 6mm is for the upper on Sram road 1X systems.
Bottom Bracket Selection Guide