Black Chameleon Finish
A black frame carries colour-shifting Unknown logo decals that change through green and blue tones with the light.
Unknown Singularity
Black Chameleon
Fixed Gear / Single Speed Bike
The Unknown Singularity pairs a 6066-T6 aluminium frame with a 12K carbon fork, aero seatpost and flip-flop rear hub for fixed gear or freewheeling single speed riding.
A black frame carries colour-shifting Unknown logo decals that change through green and blue tones with the light. Its drivetrain uses a 46T chainring with a 17T fixed cog and an included 16T freewheel.
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7.5 kg
Approx., size 55, without pedals
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Carbon Fork
12K carbon, aluminium steerer
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6066-T6 Frame
Aluminium
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Aero Seatpost
With clamp
Key Features
Carbon Fork
12K carbon fork with aluminium steerer and 30 mm rake.
Aero Seatpost
Aero seatpost with clamp, shaped for the Singularity frame.
Lightweight Build
Approx. 7.5 kg in size 55 without pedals.
Lightweight Fixed Gear Platform
The Singularity combines its lightweight aluminium frame with a carbon fork, aero seatpost and compact 420 mm drop bars. Approximate complete-bike weight is 7.5 kg in size 55 without pedals.
Ride fixed with 46T × 17T gearing, or use the included 16T freewheel for a 46T × 16T single speed setup.
What's Included
Flip-Flop Hub
17T fixed cog on one side, included 16T freewheel on the other.
Front & Rear Brakes
Front and rear brakes fitted as standard.
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Pedals + Straps
Included with every complete bike
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90% Pre-Assembled
Final assembly and safety checks required
Specifications
| Frame | Unknown Singularity, 6066-T6 aluminium |
|---|---|
| Fork | Unknown 12K carbon with aluminium steerer, 30 mm rake |
| Hubs | Unknown Fix/Free, 28H, sealed bearing |
| Chainring | 46T, 130 BCD |
| Fixed cog | 17T |
| Freewheel | 16T, included |
| Handlebars | Unknown Compact 420 mm drop bar |
| Seatpost | Aero seatpost with clamp |
| Brakes | Front and rear brake set |
| Tyres | 23c |
| Weight | Approx. 7.5 kg, size 55, without pedals |
Show all specifications
| Headset | Integrated Unknown, sealed bearing, 45×45, 1 1/8" |
|---|---|
| Stem | Unknown 90 mm |
| Brake levers | ZST single speed |
| Crank arms | Unknown 165 mm, 130 BCD |
| Chain | KMC Z510 |
| Rims | Unknown 28H |
| Saddle | Unknown |
| Bottom bracket | 68 × 103 mm, BSA, square taper |
Find Your Fit
- 52152–168 cm
- 55166–178 cm
- 58176–185 cm
- 61183–200 cm
Frame size and recommended rider height. Between sizes? Contact us and we'll help you choose the best fit.
Frame Geometry
Detailed Singularity frame measurements in millimetres. To choose your size, start with the rider-height guide in Find Your Fit.
| Frame size | S (52) | M (55) | L (58) | XL (61) |
|---|---|---|---|---|
| Top tube length (C‑C) | 522 | 535 | 550 | 570 |
| Seat tube length (C‑T) | 520 | 550 | 580 | 610 |
| Seat tube length (C‑C) | 460 | 490 | 515 | 545 |
| Head tube length | 100 | 120 | 135 | 160 |
| Down tube length | 611 | 618 | 631 | 643 |
| Seatstay length | 484 | 504 | 518 | 540 |
| Chainstay length | 384 | 384 | 384 | 384 |
| BB drop | 45 | 45 | 45 | 45 |
C‑T: measured from the top of the top tube to the centre of the BB shell. C‑C: measured from the centre of the top tube to the centre of the BB shell.
Fixed Gear & Single Speed
The Singularity flip-flop hub lets you ride fixed with a 46T × 17T setup or use the included 16T freewheel for a 46T × 16T single speed setup.
Frequently Asked Questions
Is the Unknown Singularity fixed gear or single speed?
Both. Its flip-flop rear hub supports fixed gear with the 17T fixed cog or freewheeling single speed with the included 16T freewheel.
Does the Singularity include a freewheel?
Yes. A 16T freewheel is included.
How much does the Singularity weigh?
Approx. 7.5 kg in size 55 without pedals.
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Free EU Shipping
On orders over €500
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5 Year Warranty
On all frames
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