Oversize and External headset for DH bikes who is fixed on 1.5” external to mount a 1”1/8 fork.
Balls bearings.
SHIS :
Top :Â EC49.7/28.6
Bottom :Â EC49.7/30.0
Delivered with topcap, bolt and starnut.
MORE INFORMATION
| Frame Top Diameter | 49 |
| SHIS Top | EC49/28.6 |
| SHIS Bottom | EC49/30 |
| Frame Bottom Diameter | 49 |
| Gender | Not Specified |
| Steerer | 1”1/8 |
| Lower Cup | External |
| Upper Cup | External |








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