RITCHEY WCS SEMI INTEGRATED ZS44/28.6 UPPER HEADSET Finance Compact wrist watch style Optical

Compact wrist watch style Optical LED based heart rate sensor

D3O Ghost® knuckle insert for light

Giant OD Road Headset is compatible with all Giant OverDrive road bikes (1-1/8" to 1-1/4" diameter)

1-Step by Finish Line has been developed for cyclists who are looking for a fast

RITCHEY WCS SEMI INTEGRATED ZS44/28.6 UPPER HEADSET Finance Compact wrist watch style OpticalDesigned for bicycles with semi integrated headsets, the WCS Semi Integrated ZS Upper Headset features full complement angular contact cartridge bearings packed with Ritchey high webbing grease. Material: Alloy Headtube ID: 44mm ZS44 28. 6 (1 ) bearing: 41. 0 30. 15 7mm 45 45 sealed cartridge (ACB) Stack height: 10. 1mm 15. 2mm S. H. I. S.: ZS44 28. 6 (1 ) Weight: 43g Contents 1 x Ritchey WCS Semi Integrated ZS44 28. 6 Upper Headset