CeramicSpeed 61903 Standard Bearing - (6903) MFG Part Number-6450920 }Enduro 6806 Sealed Cartridge Bearing

}Enduro 6806 Sealed Cartridge Bearing Stainless Races BB30 30 x 42 x 7mm

Brake Lever Actuation Hydraulic Color Black Adjustable Reach Yes Front Der/Shifter Compatibility SRAM Yaw Double or Triple Double Drivetrain Speeds 11

Tooth Count 38 Ring Position/Type Chain Retaining Single Ring Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 104 Color Black Defined Color Black Material Aluminum

While carbon fiber allows for more optimal design and provides a far higher strength to weight ratio compared to steel and aluminum it is also more susceptible to crushing and cracking when improperly set up

CeramicSpeed 61903 Standard Bearing - (6903) MFG Part Number-6450920 }Enduro 6806 Sealed Cartridge BearingCeramicSpeed 61903 Standard Bearing (6903). CeramicSpeed cartridge bearings are an upgrade option for any cycling discipline. These bearings provide extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. Grade 3 Silicon Nitride balls Hardened steel races Reinforced polymide cage and non contact seal to keep dirt and moisture out High resistance to poor lubrication Can be used for any cycling