CeramicSpeed 61903 Standard Bearing - (6903) MFPN=TA2126B Fits all TWIST bases

Fits all TWIST bases

and for polishing the base after scraping and brushing

4° 700c 525

} Redesigned with scalloped hub flange to distribute stress loads

Very good when warmer than 0°C and relatively fine grained snow

CeramicSpeed 61903 Standard Bearing - (6903) MFPN=TA2126B Fits all TWIST basesCeramicSpeed 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 discipline Sold as each Hand built in Denmark