Ritchey WCS Headset Cartridge Bearing 41.8 30.5 8mm 45/45 deg 1pc ModelNumber=K1274 Type Standard Size 700x28 ISO

Type Standard Size 700x28 ISO 622 Bead Wire Tread/Sidewall Color Bk/Blk PSI 100 Weight (Grams) 436 TPI 27 Durometer Features Reflective Sidewall No

8 Spoke Length 268 Spoke Type Double Butted J-Bend Spoke Weight 363g (64pcs/260mm)

Hammer type TwinHead™ DX5 with longer lever for easier use works with Presta/Schrader/Dunlop valves

5mm Unit on header card

Right crank arm bottom bracket spider and chainrings NOT included Color Black Length 170 Spindle Interface Type SRAM DUB Crank Arm Length 170Mm

Ritchey WCS Headset Cartridge Bearing 41.8 30.5 8mm 45/45 deg 1pc ModelNumber=K1274 Type Standard Size 700x28 ISOReplacement 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