Ritchey WCS Headset Cartridge Bearing 41.0 30.15 7mm 45/45 deg 1pc Model=Acera RD-M3020 Rear Derailleur 5 Valve Presta Freehub Body

5 Valve Presta Freehub Body Shimano HG 11 Hub Spacing 142mm Rim Construction Carbon Wheel-Brake Comp

one channel

Tool Count 20 Tools

9 (1-3/8") Front Derailleur Cable Pull Bottom Pull Front Der/Shifter Compatibility Shimano Road Max Ring (teeth) 50 Front Derailleur Style Traditional Mounting Type 34

Ritchey WCS Headset Cartridge Bearing 41.0 30.15 7mm 45/45 deg 1pc Model=Acera RD-M3020 Rear Derailleur 5 Valve Presta Freehub BodyReplacement 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. 15 Bearing Type Cartridge Bearing O. D. (mm) 41 Thickness 7 Size 41. 0 30. 15Mm