The Ritchey Logic WCS threadless headset features angular-contact cartridge bearings.Logic WCS uses angular-contact cartridge bearings
| Lower Stack Height | 12.9 |
| Upper Stack Height | 15.4 |
| S.H.I.S Upper | EC34 |
| S.H.I.S. Stem Clamp Diameter | 28.6 Threadless |
| S.H.I.S Lower | EC34 |
| Color | Black |
| Crown Race | 30 |
| Bearing Type | Sealed Cartridge |
| Weight | 110 |
| Defined Color | Black |
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