SKU: 92901645259
fixed gear bike

fixed gear bike Unknown Singularity Silver – Fixed Gear & Single Speed Bike

Sale price$26.63 Regular price$29.59
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Nov 12 - Nov 17

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Description

fixed gear bike Unknown Singularity Silver – Fixed Gear & Single Speed BikeUnknown Singularity Silver Fixed Gear & Single Speed Bike The Unknown Singularity Silver is the evolution of the legendary LV2 frame, redesigned from the ground up as a complete race ready fixed gear bike. The clean silver finish gives this bike a timeless, head turning look that works on the track and the streets. Built around a hardened 6066 T6 aluminum frame with updated track geometry and an integrated aero seatpost, the Singularity delivers

Unknown Singularity Silver | Fixed Gear & Single Speed Bike

The Unknown Singularity Silver is the evolution of the legendary LV2 frame, redesigned from the ground up as a complete race-ready fixed gear bike. The clean silver finish gives this bike a timeless, head-turning look that works on the track and the streets. Built around a hardened 6066-T6 aluminum frame with updated track geometry and an integrated aero seatpost, the Singularity delivers serious performance at just 7.5kg in size M.

Every component is designed by Unknown for fixed gear riding. The carbon/alloy fork with 12K carbon blades and aluminum neck provides sharp steering and vibration dampening — a significant upgrade over standard alloy forks. The sealed-bearing Mushroom hub wheelset with Japanese bearings rolls smooth and fast, while the 46t/17t gearing gives you an ideal ratio for urban riding and track sessions.

Elite Performance Components

⚡

Every component is designed by Unknown for fixed gear riding. The carbon/alloy fork with 12K carbon blades and aluminum neck provides sharp steering and vibration dampening — a significant upgrade over standard alloy forks. The sealed-bearing Mushroom hub wheelset with Japanese bearings rolls smooth and fast, while the 46t/17t gearing gives you an ideal ratio for urban riding and track sessions.

🚀

Premium Build

Hardened Unknown Singularity, 6066 T6.
Full Full Unknown Carbon Fork 
Ultra-light 7.5kg.

🎁

Combined Value

Shipped with drop bars, brakes, and free pedals with foot straps worth €50 included. Ready to ride straight out of the box. 

⚙️

Flip-Flop Freedom

Switch between Fixed Gear and Single Speed effortlessly. Our specialized Flip-Flop Hub gives you the best of both worlds.

Born from the underground track scene, Unknown Bikes bridges high-performance track engineering with street-level energy. We focus on the essentials: high-grade materials and minimalist aesthetics. We don't do fluff; we do fast.

Full Component Specifications

Frame Unknown Singularity, 6066 T6
Fork Unknown Carbon (12K) with aluminium neck, 30mm rake, 1 1/8"
Headset Integrated Unknown, SB, 45x45st., 1 1/8"
Stem Unknown 90mm
Handlebars Unknown Compact 420mm
Grip Unknown Carbon
Brake levers ZST single speed
Brakes Unknown brake set
Chainarm Unknown 165mm, 130BCD
Chainwheel Unknown 46t, 130BCD, 1/2"x1/8"
Chain KMC Z510 1/2"x1/8"
Rear cog 17t
Rims Unknown 28d
Hubs Unknown Fix/Free 28d, SB — Freewheel not included
Tires 23c
Seatpost Unknown 27.2mm, 300mm, 20mm offset
Saddle Unknown
Bottom bracket 68x103mm, BSA, Square taper

📏 Find Your Fit

52 152cm – 168cm
55 166cm – 178cm
58 176cm – 185cm
61 183cm – 200cm

*Recommendation: If you are between sizes, we recommend sizing down for a more agile urban ride.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 92901645259

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Product Reviews
C
Verified Purchase
Cassandra Allen
New York, US
★★★★★ 5
Wonderful tool
Wonderful tool and works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2025
M
Verified Purchase
Mike M
San Leandro, US
★★★★★ 5
Nice upgrade 51mm for me
Color: Silver
This is my second 51mm machine. I never used the included handle or basket… I kept my existing HUGH IMS precision basket and bottomless portafilter. The temp and preinfusion are set and not adjustable but fine (reduced variables). I defeated the shut off by volume by setting higher than needed (wish that was easier to turn off). I like to manually shut off when I hit 30g on my scale. The machine will drip since there is not solenoid valve so I just pull the scale from the try when mouse tail breaks and drip starts. The steam wand and hot water dispenser is a massive upgrade (from Capresso EC50) and the real reason for my upgrade. I would have paid $50-100 more for the improvements listed… but I guess most people would not so this is about the best option for me with 51mm (keeping all the 51mm three lug portafilter stuff I own). 5 stars = for me and the price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
A
Verified Purchase
angelo gaz
Battle Creek, US
★★★★★ 5
Reliably makes a good cup of coffee!
Color: Rose Golden, Color: Rose Golden
This espresso machine is great. I wanted something simple and reliable and that’s exactly what it is. In fact, the espresso comes out with a nice creamy coffee froth on top and the flavor is excellent. I don’t normally write reviews, but I think this one is worth it and I want them to stay in business because I’ll probably be sending some of these out as gifts come next Christmas.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
W
Verified Purchase
walter Gmuer
Birmingham, US
★★★★★ 4
Easy to use
Color: Silver
Easy to use compact and easy to set up pulls some great espresso shots
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
C
Verified Purchase
Caroline Stephany
Charlottesville, US
★★★★★ 5
Authentic
Color: Black, Color: Black
This machine is amazing. We just returned from Italy and this is as close to a cafe as you can get. It leaves a dense foam on top from the high pressure water system making truly authentic. It is easy to use and clean!! I loved the size too as it fits perfectly on our shelf. Highly recommend if you want an italian cafe to enjoy!
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Reviewed in the United States on February 4, 2026

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