BlackBearing 6901-2RS-B3 12x24x6mm

Specifically designed for cycling, this quality range is ideal for Road and Gravel Bike use.

This bearing is often originally fitted to your bike (OEM).

Each component (balls, rings, cages and grease) is manufactured and assembled with precision.

BlackBearing B3 bearings are 100% compatible as a replacement for your original bearings.

SAE52100 Chrome Steel Balls
SAE52100 Chrome Steel Bushings

Chrome steel cage
“2RS” seals resistant to water and dust
Premium grease