DT Swiss 6902 Bearing: Sinc Ceramic 28mm OD 15mm ID 7mm Wide MFPN=00.3018.403.011 but with the strong construction

but with the strong construction we can make the shaft thinner

including Drop-Stop B

}Full Speed Ahead Orbit C-40 ACB Integrated Headset Black

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Convenient metric and imperial ruler to quickly measure components

DT Swiss 6902 Bearing: Sinc Ceramic 28mm OD 15mm ID 7mm Wide MFPN=00.3018.403.011 but with the strong constructionDT Swiss Sinc Ceramic cartridge bearings. The black dust cover is intended to be installed facing the hub and the tan seal is intended to face externally Bearing I. D. (mm) 15 Manufacturer Number 6902 Bearing O. D. (mm) 28 Material Ceramic Thickness 7 Outer Diameter 28Mm Inner Diameter 15Mm