Internal parts are cross-compatible across 1, 4 and 11 series Consistent stack heights across 1, 4 and 11 Series Bottom assemblies include bottom cup, sealed oxide bearing, and crown race
Cane Creek 40-Series ZS 56 Race Bottom Headset OE
Internal parts are cross-compatible across 1, 4 and 11 series Consistent stack heights across 1, 4 and 11 Series Bottom assemblies include bottom cup, sealed oxide bearing, and crown race
Cane Creek 40-Series ZS 56 Race Bottom Headset OE