MR129 (6804-19 - 2RS) 19 x 32 x 7mm FSA Mega Exo

Bearing Codes: MR129 - 6804-19-2RS. Seals: 2RS. The tighter the seal is to the inner bearing race, the harder it is for water and dirt to get in — and the harder it is for grease to escape. 6000 LLB | 10 x 26 x 8 mm | Blueseal Bike Bearingsâ„¢.