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What is a fixed gear bike?
A fixed gear bike (fixie) is a bicycle with no freewheel mechanism — the pedals are directly connected to the rear koło. When the koło turns, the pedals turn too. This gives riders a direct, connected riding experience with better control and feedback. Fixed gear bikes are lighter, simpler, and require less maintenance than traditional geared bikes.
What is the difference between fixed gear and single speed?
A fixed gear bike has no freewheel, so the pedals always move when the koło moves — you cannot coast. A single speed bike has one gear but includes a freewheel, so you can coast without pedalling. Several of our bikes including the Singularity, Bass-X, and SC-1 come with a flip flop piasty, letting you switch between fixed gear and single speed by flipping the rear koło.
Do you ship throughout Europe?
Yes! Unknown Bikes Europe ships to all EU countries. Orders are dispatched from our European warehouse for fast dostawa times. Check our terms and conditions for full wysyłka details.
What rozmiar fixed gear bike do I need?
rama rozmiar depends on your height. Here is a general guide:
| rama rozmiar | Rider Height |
|---|---|
| 52–53 | 152cm – 168cm |
| 55 | 166cm – 178cm |
| 58–59 | 176cm – 190cm |
| 61–62 | 183cm – 200cm |
Sizes vary slightly between models — check the rozmiar chart on each produkt page for exact measurements. kontakt us if you need help choosing.
Are fixed gear bikes good for commuting?
Absolutely! Fixed gear bikes are ideal for urban commuting. They are lekki, low maintenance, and niezawodny — fewer components means fewer things that can break. Our SC-1 and Bass-X are particularly popular with commuters thanks to their comfortable geometry and included brakes.
What is the difference between the SC-1, Singularity, Bass-X, and LV3?
- SC-1 (€399) — Entry-level 4130 chromoly stal fixie with stal widelec, flip flop piasty, front and rear brakes. Perfect for beginners and daily commuters.
- Bass-X (€749) — Versatile urban bike with 6066-T6 aluminium rama, full carbon widelec, flip flop piasty, relaxed geometry for comfortable riding.
- Singularity (€949–999) — premium track bike with 6066-T6 aluminium rama, carbon/alloy widelec, Fix/Free piasty, integrated aero sztych siodłowy. 7.5kg.
- LV3 (€1,249–1,299) — Our flagship. 6066-T6 aluminium rama, full 12K carbon widelec, sealed-bearing zestaw kół. 8kg. Built for racing and serious riders.
Do your bikes come with pedals?
Yes! Every complete bicycle ships with free pedals and foot straps worth €50. The SC-1 also includes free front and rear lights worth €20.
Do your bikes come with brakes?
Yes. All our complete bikes ship with brakes. The SC-1 includes both front and rear brakes. The Singularity, Bass-X, and LV3 ship with drop bars and a hamulec set.
What is a flip flop piasty?
A flip flop piasty has a fixed zębatka on one side and a freewheel thread on the other. By removing the rear koło and flipping it around, you can switch between fixed gear (no coasting) and single speed (coasting). The SC-1, Bass-X, and Singularity all come with flip flop hubs.
What does 4130 chromoly mean?
4130 chromoly is a type of stal alloy containing chromium and molybdenum. It is stronger and lighter than standard stal, making it the preferred choice for bike frames that need to be tough and trwały. Our SC-1 uses 4130 chromoly for a rama that absorbs road vibration naturally and will last for years.
What is 6066-T6 aluminium?
6066-T6 is a high-grade aluminium alloy that is heat-treated for extra strength and hardness. It is lighter and stiffer than stal, making it ideal for wydajność-oriented fixed gear frames. Our Singularity, Bass-X, and LV3 all use 6066-T6 aluminium frames.
What is your return policy?
We offer hassle-free zwroty and exchanges. Visit our return and exchange policy page for full details.
How do I kontakt you?
You can reach us through our kontakt page. We are happy to help with sizing advice, produkt questions, or anything else!