6KU Iris Fixed Bike


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6-7 business days

Features 6KU Iris Fixed Bike

Steel Frame and Fork Steel Frame and Fork
Front and rear brake included Front and rear brake included
Economical price Economical price
Flip-Flop Rear Wheel Flip-Flop Rear Wheel

Details 6KU Iris Fixed Bike

Fixie - Single Speed Iris:

  • Frame: High tensile steel fully tig-welded.
  • Wheels: 30mm Deep V alloy rim.
  • Hubs: 32H Quando flip-flop Hub.
  • Fork: 1-1/8'' high tensile steel.
  • Headset: Neco threadless 1-1/8''.
  • Handlebar: 22.2cm alloy riser bar.
  • Chainring Crank: Alloy 44T*165mm.
  • Brakes: Radius Forged Alloy.
  • Bottom Bracket: Neco Sealed cartridge 68mm x 103mm.
  • Tires: 700 x 25C Kenda.
  • Pedals: BMX Platform.
  • Seatpost: 25.4mm Forged Alloy.
  • Saddle: Synthetic Leather.
  • Gear Ratio: 44/16 Gear Inches: 74.25.

In order to keep improving the overall quality, components are subject to change without notice.


The 6KU Iris Single Speed Bicycle is the ideal choice for cyclists seeking a sleek and uncomplicated ride. Constructed with a high tensile steel fully tig-welded frame, it ensures durability and strength for all your journeys.

Featuring 30mm deep V alloy rims and a 32H Quando flip-flop hub, the bike provides a smooth ride and is perfect for commuting in the city. Its height tensile steel fork and Neco threadless 1-1/8'' headset ensure its capability to withstand any terrain, making it ideal for any rider.

Equipped with a range of features including radius forged alloy brakes and 700 x 25C Kenda tires, the bike delivers a comfortable and dependable ride. Its synthetic leather saddle and BMX platform pedals add to its elegance and enhance rider comfort.

The 6KU Iris Single Speed Bicycle boasts a gear ratio of 44/16 Gear Inches: 74.25, making it an excellent choice for any casual ride. This bike combines style, durability, and functionality, making it the perfect partner for any cyclist.

About 6KU

At 6KU, we believe that everyone should ride a bike, it’s great for the environment, your health… and your wallet. We created a streamlined business model that cuts out the middle-man, and allows us to offer complete bikes for the most affordable price around. After all, riding a bike should be saving you money.


This bicycle comes in a well protected box, about 80% assembled. The most complicated is already mounted from the factory and the rest is quite easy to do. You will have to place the front wheel, the pedals, the saddle and adjust the handlebar.

At the top you will see a video where one of our mechanics explains in a few simple steps how to correctly assemble this. If you do not feel confident to finish the assembly, we recommend you take the bicycle to a nearby bicycle store/workshop for a specialist to complete the bicycle build.

See our warranty policy

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