CeramicSpeed 61903 Coated Bearing - (6903) Coated Bearing Race MPFN-DROPOUT-103 They replace standard locknuts

They replace standard locknuts

7075 aluminum crown race

}Stolen Revolver 19mm Mid Bottom Bracket Polished

Roller Bearing Clutch delivers maximum drivetrain stability even through the most punishing terrain

} An extremely comfortable

CeramicSpeed 61903 Coated Bearing - (6903) Coated Bearing Race MPFN-DROPOUT-103 They replace standard locknutsCeramicSpeed 61903 Coated Bearing (6903) Coated Bearing Race. CeramicSpeed cartridge bearings with coated race are a premium upgrade option that provide extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. These bearings feature coated races that provide the ultimate performance and longevity. Grade 3 Silicon Nitride balls The coated bearing races increase the bearing service life by providing