Booda Bike headset aluminium spacer – 1 1/8", 28.6 mm
The Possible headset aluminium spacer is a simple ring for 1 1/8" (28.6 mm) steerers, used to set the height of the stem on the steerer.

Why this spacer?
1 1/8" (28.6 mm) size. Made for the 1 1/8" (28.6 mm) steerer size, the same size as the top of the tapered steerers on the Possible carbon forks.
Aluminium. A light aluminium ring in black, from the Possible range sold by Booda Bike.
Sets the stem height. Stacked on the steerer below the stem, a spacer raises the stem; the steerer length and the stem maker's limits decide how many you can use.
Who is it for?
- Riders fine-tuning their fit. Who want to raise the stem a little on a 1 1/8" steerer.
- Bike builders. Who need a spacer for a 1 1/8" (28.6 mm) steerer when setting up a bike.
Specifications
| Product | Headset spacer |
|---|---|
| Steerer size | 1 1/8" (28.6 mm) |
| Material | Aluminium |
| Thickness | Not yet listed: ask us before you order |
Frequently asked questions
Which steerer size does the Possible headset aluminium spacer fit?
The 1 1/8" size, which is 28.6 mm.
How thick is the spacer?
The thickness is not in our product data yet. If it matters for your build, send us your bike or stem model and we will confirm it before you order.
Can I stack several spacers?
Spacers stack on the steerer under the stem. How many you can use depends on your steerer length and on the limits given by your stem and fork maker, so check those first.
About Booda Bike
Booda Bike is a bicycle brand from Budapest that builds low-maintenance, belt-driven bikes. It grew out of the MassiveBikes workshop, founded in 2013 to retrofit belt drives and build custom bikes, and its first models went on sale in October 2015. The Possible component range, launched alongside the bicycles, includes parts like this one.
