Description
The Ritchey External Cup EC Threadless headset features a smaller upper bearing to save weight, while the lightweight, precision-machined aluminum cups are deep for solid insertion.
Tech Specs
Materialsteel
Stack Height29.8mm
Stack height upper16.8mm
Stack height lower13mm
Headtube ID34mm
S.H.I.S. upperEC34/28.6 (1 ⅛”)
S.H.I.S. lowerEC34/30 (1 ⅛”)
Bearings semi-cartridge (SSC)
Weight146g
Colorblack
Threadless
Tech Drawing
Tech Manuals / Spare parts / Videos / Downloads
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