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The Vision Speed Extensions are built for triathletes and time trialists aiming to optimize their aero position
Low friction
Model CBB-AL-103 Spindle Interface JIS Square Shell BSA Shell ID 33
Seamless design
Chris King GripNut Headset - 1" Sotto Voce Silver Model-3 Prong Camera Mount The Vision Speed Extensions areThe King GripNut Headset is designed for threaded steerer that dont require a cable hanger or additional spacers. Collet locking system stays securely adjusted King made in house bearings 10 year warranty Color Sotto Voce Silver Lower Stack Height 13. 7 Bearing Type Cartridge Crown Race 26 Weight 93 Defined Color Silver Upper Stack Height 17. 7 S. H. I. S Upper EC30 S. H. I. S. Stem Clamp Diameter 25. 4 24tpi Quill S. H. I. S Lower EC30 Steerer Size 1"
