Comp Cartridge External Cup EC Headset33035337014
The Ritchey Comp Cartridge External Cup EC Threadless Headset features a cartridge bearing, smaller upper bearing to save weight, while the lightweight, precision-machined aluminum cups are deep for solid insertion.
Stack height upper18mm
Stack height lower14mm
S.H.I.S. upperEC34/28.6 (1 ⅛”)
S.H.I.S. lowerEC34/30 (1 ⅛”)
EC34/28.6 (1 ⅛”) bearing41.8/30.15/8mm 45°/45° - sealed cartridge (ACB)
EC34/30 (1 ⅛”) bearing44/30.5/8mm 45°/45° - sealed cartridge (ACB)
Incompatible with Ritchey WCS Carbon forks with integrated 45° crown race
Tech Manuals / Spare parts / Videos / Downloads
Join now for engaging stories, exclusive offers and product news delivered right to your inbox.