The BlackBearing 61803-2RS bearing is available in B3 quality. This is industrial-grade quality and is perfectly suited for cycling use. The various components are precision-assembled to meet the highest quality standards: reliability, smoothness, efficiency and stiffness.

To ensure these bearings are compatible with your wheels, remove the bearings from your hubs and measure the various dimensions with a calliper. The 2RS seals provide excellent resistance to dust and water.

Technical specifications

- 2RS seals: latest-generation double-lip labyrinth seals, offering superior resistance to water and dust
- High-quality grease
- Balls held in place by a metal cage
- Internal diameter: 17 mm
- Outer diameter: 26 mm
- Thickness: 5 mm
- Part number: 6803-2RS

Bearing sold individually. The current part number 61803-2RS is identical to the former designation 6803-2RS.