Replacement headset assemblies for HUP bikes. Fully internal GCX headsets include shaped steerer/stem spacers. For all other headsets (using traditional, round spacers) steerer/stem spacers are available separately.
- HUP evo/evo2/evo24/evoSL/straatrace
- HUP xc/xc20/xc24
- HUP GCX fully internal/cockpit handlebars (Token A-Box system) with Steel bearings
- HUP GCX semi-internal/traditional stem (Token S-Box system) with Steel bearings
- HUP GCX fully internal/cockpit handlebars (Token A-Box system) with upgraded Enduro Stainless Steel bearings
- HUP GCX semi-internal/traditional stem (Token S-Box system) with upgraded Enduro Stainless Steel bearings
- More installation details HERE