Replacement stainless steel stem cap bolt Learn More

Replacement chromed steel stem cap bolt M6 x 30 mm Learn More

Replacement star nut for 1.125'' steerer Learn More

FSA Orbit Z complete headset for 44/56mm tapered head-tubes.
Includes cups, bearings, races, star nut and top-cap.
Uses 36/45° bearings.

FSA Part Code:  121-0501 Learn More

The 1.5" Headset Lower Cup Assembly can be used to adapt Scott Roxter, Trek Roscoe, Avanti Montari and other bikes to take a tapered steerer fork like the Manitou JUnit.

On some bikes (like 20 inch Scott Roxter) the frame head-tube is not machined in deep enough to allow fitment of the headset assembly.

Purchase this machining product with the 1.5" Headset Lower Cup Assembly and we will machine down the headset cup spigot by 5 mm in length. Learn More

Application: 1.5" Lower headset bearing race and matching 4545 steel bearing. Replaces both 45 x 45 degree Campy style and 36 x 45 degree "ACB" headset lower races Learn More

This headset cup can adapt Scott Roxter, Trek Roscoe, Avanti Montari and other bikes to take a tapered steerer fork like the Manitou JUnit.

1.5" headset lower cup assembly to adapt a 44 mm head-tube to a 1.5" taper steerer
Includes aluminium lower cup with 12 mm spigot, ACB3645 1.5" cartridge bearing and 36 degree crown race
Premium version with stainless steel bearings also available here

FSA Part Code:  101-1331 Learn More

This headset cup can adapt Scott Roxter, Trek Roscoe, Avanti Montari and other bikes to take a tapered steerer fork like the Manitou JUnit.

1.5" headset lower cup assembly to adapt a 44 mm head-tube to a 1.5" taper steerer (premium version with stainless steel bearings)
Includes aluminium lower cup with 12 mm spigot, ACB3645 1.5" stainless steel cartridge bearing and 36 degree crown race
Black version with chromium steel bearings also available here

FSA Part Code:  101-0019000010 Learn More

Fits 1.125" steerer.  Adapts to 1.5" headset.
Fits 3645 bearings with 36° inner chamfer

FSA Part Code: 160-5538 Learn More

Fits 1.125" steerer.  Adapts to 1.5" headset.
Fits 3645 bearings with 36° inner chamfer

FSA Part Code: 160-5540 Learn More

Crown race for 1.5" and tapered forks Learn More

Replacement top cap, conical wedge and shim for 1.125'' headsets Fits bearings with 45 degree inside chamfer Learn More