Ritchey WCS Headset Cartridge Bearing 41.8 30.5 8mm 45/45 deg 1pc ModelNumber=K1274 Compatible with R9170 8070 and

Compatible with R9170 8070 and 7070 models

105g Spacing/Axle B/O-NUT 3/8x26t Material Aly Color Sil Weight Brake Type RIM Spacing 100 PCD-L 40 PCD-R 40 LTF-L 14 LTF-R 14 CTF-L 36 CTF-R 36

Shimano Index and HG compatible Range 13-25 Cogs 13-15-17-19-21-23-25 Drivetrain Speeds 7

6 ISO 406 Bead TBLS - Fold Tread/Sidewall Color Gry/Gry PSI 85 Weight (Grams) 350 TPI 120 Durometer Features TCS Reflective Sidewall No

Ritchey WCS Headset Cartridge Bearing 41.8 30.5 8mm 45/45 deg 1pc ModelNumber=K1274 Compatible with R9170 8070 andReplacement headset bearings for Ritchey headsets. 45 45 degree angular contact sealed bearing Titanium coated for corrosion resistance Cartridge Bearing Angle 45x45 Bearing I. D. (mm) 30. 5 Bearing Type Cartridge Bearing O. D. (mm) 41. 8 Thickness 8 Size 41. 8 30. 5Mm