CeramicSpeed 61903 Coated Bearing - (6903) Coated Bearing Race MFPN=1054 Defined Color Black Direct Mount

Defined Color Black Direct Mount Type Direct Mount SRAM Drivetrain Speeds 12 Material Aluminum Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 42

heart rate monitors and speed sensors to automatically adjust fan speed based on your efforts

Includes Disc brake adapter Tubeless Valve and Tape Rear Axle 12mm Thru x 148mm Rim Width (Internal) 25 Cassette Body Type SRAM XD Valve Presta Color Black Wheel Size 29" Defined Color Black ISO Diameter 622 / Road / 29" Tire Type Tubeless Ready Clincher Hub/Brake Compatibility 6-Bolt Disc Wheel Type Rear Axle Size 12 X 148Mm

8 PSI 35 TPI 120 Tire Bead Folding Tire Diameter 27

20% more pumping power than most common frame pumps

CeramicSpeed 61903 Coated Bearing - (6903) Coated Bearing Race MFPN=1054 Defined Color Black Direct MountCeramicSpeed 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 extreme hardness to the race and reducing corrosion Reinforced