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Pedals + straps
About 90% pre-assembled
Freewheel Included
Front & Rear Brakes
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Complete bikes
Fixed Gear Bikes
Unknown complete bikes with aluminium or chromoly frames. Each bike arrives about 90% pre-assembled, with pedals and straps included.
- 10Bikes in stock
- 6Models
- β¬699From
- β¬300Save up to
- Free Standard ShippingNo minimum order
- Pedals + strapsIncluded with every complete bike
- About 90% pre-assembledFinal assembly before riding
- Freewheel IncludedRide single speed or fixed gear
- Front & Rear BrakesIncluded with every complete bike
- Secure paymentVisa, Mastercard, PayPal & Apple Pay
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How to Choose an Unknown Fixed Gear Bike
Frame and fork
LV3, Singularity, Bass-X and Paradigm use 6066-T6 aluminium frames, PS1 a 6061-T6 aluminium frame and SC-1 a 4130 chromoly steel frame. LV3 and Bass-X have full 12K carbon forks; Singularity, PS1 and Paradigm use carbon forks with an aluminium steerer.
Fixed or single speed
Every Unknown complete bike has a flip-flop rear hub: ride fixed with the 17T cog, or turn the wheel around and use the included single-speed freewheel (16T on LV3, Singularity and Bass-X).
Frame size
Each bike page lists the frame sizes with recommended rider heights or full frame geometry. Use βFind my sizeβ above to show bikes with a recommended size in stock.
More about Fixed Gear Bikes
Explore the complete range of Unknown fixed gear bikes. From the 4130 chromoly SC-1 to the LV3 track bike with its full 12K carbon fork, there is a model for city riding, training and track-inspired builds.
Unknown complete bikes use 6066-T6 aluminium (LV3, Singularity, Bass-X and Paradigm), 6061-T6 aluminium (PS1) or 4130 chromoly steel (SC-1) frames. Every current complete bike has a flip-flop rear hub with a fixed cog and an included single-speed freewheel, so you can ride fixed gear or single speed, and front and rear brakes come fitted.
Our bicycles arrive approximately 90% pre-assembled, with free pedals and foot straps included. We recommend professional assembly by a qualified bicycle shop.
Shop by model: LV3 Β· Singularity Β· Bass-X Β· SC-1 Β· PS1 Β· Paradigm
Browse by riding style: Track Bikes Β· Single Speed Bikes
Questions
Do Unknown bikes include a freewheel?
Yes. Every Unknown complete bike has a flip-flop rear hub and comes with a single-speed freewheel. LV3, Singularity and Bass-X include a 16T freewheel.
How assembled does a bike arrive?
Our bicycles arrive approximately 90% pre-assembled, with free pedals and foot straps included. We recommend professional assembly by a qualified bicycle shop.
Are pedals included?
Yes. Pedals and straps are included with every complete bike.
Where do you ship?
Free standard shipping with no minimum order to every country we currently ship to. Shipping policy