Ritchey WCS Headset Cartridge Bearing 41.0 30.15 7mm 45/45 deg 1pc Model=Acera RD-M3020 Rear Derailleur 9 (1-3/8") Front Derailleur Cable

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

Integrated Light No Primary Color White Visor No e-Bike approved No Size L Helmet sizing in cm 59 - 61cm Misc Shiny White

Hydra 6-pawl freehub body engages every

one channel

Ritchey WCS Headset Cartridge Bearing 41.0 30.15 7mm 45/45 deg 1pc Model=Acera RD-M3020 Rear Derailleur 9 (1-3/8") Front Derailleur CableReplacement 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