"The Dummy Fork is 3D-printed from Polyethylene Terephthalate Glycol (PETG), a highly durable plastic commonly used in 3D printing. FAB LAB uses PETG on the "steerer tube" and base. Set into the base are M6 and M5 threaded brass inserts to mount the front brake caliper. They can also serve as holding points for other loose bolts. It also features an"
"The steerer tube on the Dummy Fork is 240mm long to accommodate (nearly?) all cockpit setups. Surely it exists, but we don't often see someone running 100mm+ of spacers over an incredibly long steerer. This is a modern, tapered steerer tube and accommodates headset bearings - 1 ⅛" and 1 ½". Ideally, FAB LAB designed the Dummy Fork to be installed without removing the stem, bars, or spacers."
"Of course, you would need to undo the top cap bolt, loosen the stem bolts, and remove the front brake caliper and hose from the fork. Once this is complete, while holding the fork in one hand and the stem/bars/spacers in the other, you should be able to pull the fork out and slide the Dummy Fork in its place."
The Dummy Fork is a 3D-printed faux steerer made from PETG with a base and a 240mm steerer tube that fits modern tapered headset bearings (1 1/8" and 1 1/2"). The base includes M6 and M5 threaded brass inserts for mounting the front brake caliper or securing loose bolts, and an M6 threaded insert at the top accepts a top cap bolt without fixing the unit in place. A hole near the top enables hanging for storage. Installation aims to avoid removing the stem, bars, or spacers but requires undoing the top cap bolt, loosening stem bolts, and removing the front brake caliper and hose before swapping the fork. Once seated, stem bolts secure the Dummy Fork.
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