Ritchey Comp External Cups headstock, 1-1/8", classic
The Ritchey External Cup EC Threadless compound has a smaller top bearing for weight savings, while the lightweight, precision-machined aluminum cups are deep for a solid fit.
Material: steel
Stack height: 29.8 mm
Upper stack height: 16.8 mm
Bottom stack height: 13 mm
Head tube diameter: 34 mm
SHIS upper: EC34/28.6 (1 ⅛”)
SHIS lower: EC34/30 (1 ⅛”)
Weight: 146 g
product ID | 248916 |

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