M-PART Cartridge Bearing 6903 2RS 17x30x7

Precision sealed cartridge bearing designed for smooth, reliable performance in bike drivetrain systems. The 6903 2RS features dual rubber seals that keep contaminants out and lubrication in, extending bearing life even in wet Irish conditions. Compact 17x30x7mm dimensions fit standard bottom bracket and hub applications. Essential maintenance component for keeping your bike running efficiently.