Description
The Ritchey External Cup EC Threadless headset features a smaller upper bearing to save weight, while the oversize lower bearing is designed to handle loads. Deep bearing cups promise solid insertion.
Tech Specs
Materialsteel/plastic
Threadless
Stack Height28.9mm
Stack height upper15.7mm
Stack height lower13.2mm
Headtube ID34mm
S.H.I.S. upperEC34/28.6 (1 ⅛”)
S.H.I.S. lowerEC34/30 (1 ⅛”)
Bearingsretainer ball-bearing
Weight156g
Colorblack
Incompatible with Ritchey WCS Carbon forks with integrated 45° crown race
Tech Drawing
Tech Manuals / Spare parts / Videos / Downloads
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