The Ritchey external headset is designed for 1”1/8.
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Details :
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- 1”1/8 fork pivot compatible
- Upper Fit (S.H.I.S.): EC34/28.6
- Lower Fit (S.H.I.S.):Â EC34/30
- Bearing: Retainer Ball Bearing
- Smaller upper bearing to save weight
- Oversize lower bearing to handle loads
- Deep cups for solid insertion
MORE INFORMATION
| Frame Top Diameter | 34 |
| SHIS Top | EC34/28.6 |
| SHIS Bottom | EC34/30 |
| Frame Bottom Diameter | 34 |
| Gender | Not Specified |
| Steerer | 1”1/8 |
| Lower Cup | External |
| Upper Cup | External |






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