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6KU Fixed Gear Bike: Lightweight, low-maintenance urban commuting

6KU Aluminum Fixed Gear Single-Speed Fixie Urban Track Bike, Shadow Black, 52cm/S
4.6
[Lightweight Aluminum Frame]  Full aluminum frame and fork for durable, lightweight urban riding.
[30mm Deep V Wheels]  30mm deep-V double-walled alloy wheels deliver stiffness and improved road stability.
[Flip-Flop Hub Flexibility]  Ride fixed gear or freewheel with flip-flop hub for versatile commuting.
[Reliable Braking System]  Includes front and rear brakes for confident stopping and rider safety.
[Easy Assembly & Support]  Tools included and assembly video provided for quick, hassle-free setup.
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Urban cycling solution built for simple, responsive commuting. Riders get a lightweight, single-speed setup that keeps maintenance to a minimum. Is the 6KU Fixed Gear Bike the practical choice for everyday city rides and quick assembly?

⚡ At a Glance
  • Ride Quality: Lightweight aluminium frame and 30mm deep V double-walled alloy wheels for nimble, predictable handling
  • Best for: Commuters and urban riders who want a simple, low-maintenance single-speed bike
  • Not ideal for: Hilly touring or riders who need multiple gears for varied terrain

Full aluminium frame and fork keep overall weight down and resist corrosion. Front and rear brakes are fitted for reliable stopping in traffic.


Confident city handling, with a lightweight full aluminium frame and deep V alloy wheels

Full aluminium frame and fork are manufactured to remove unnecessary mass while maintaining stiffness. Thirty millimetre deep V double-walled alloy wheels add lateral strength for urban potholes and kerb impacts.

A responsive ride helps with quick direction changes and easier acceleration from traffic lights. Stable wheels reduce wobble when riding over rough city surfaces.

Flexible riding style, with a flip-flop hub for fixed-gear or freewheel use

Flip-flop hub allows the rear wheel to be fitted so that either a fixed cog or a freewheel is engaged. The setup keeps the drivetrain simple while allowing a quick swap between riding styles.

Switch to a fixed gear for direct pedalling or flip to freewheel for more relaxed riding. The arrangement suits riders who want the option without a full rebuild.

Quick to get on the road, with included tools and online assembly support

Tools are supplied in the package and an assembly video is available on the product page and on YouTube. The guidance covers basic setup steps, reducing the need for extra purchases or bike-shop trips.

Home assembly is achievable for mechanically confident riders, so the bike can be ridden soon after delivery. Ongoing upkeep remains straightforward thanks to the single-speed drivetrain.

✨ The 4 Key Reasons for 6KU Fixed Gear Bike
  1. Flip-flop hub - Switch between fixed and freewheel setups in minutes
  2. Single-speed drivetrain - Lower maintenance with fewer moving parts to service
  3. Assembly tools included - Start riding quickly without buying extra tools or parts
  4. Size guide with height ranges - Choose correct frame size for safer, more efficient riding
📋 Technical Details at a Glance
  • Category: Fixed Gear Single-Speed Bike
  • Brand: 6KU
  • Model type: Urban track/fixie
  • Frame material: Full aluminium frame and fork
  • Wheel type: Double-walled alloy wheels
❓ Frequently Asked Questions

Q: Can the bike be ridden as a fixed gear and as a freewheel?

A: Yes, the flip-flop hub supports riding either as a fixed gear or using a freewheel, allowing a quick swap by reversing the rear wheel.

Q: What sizes are available and how should I choose one?

A: Sizes come as small (52cm), medium (55cm) and large (58cm) with height guidance provided; select size according to the listed height ranges before purchase.

Q: Will I need extra tools to assemble the bike?

A: Basic tools are included in the package and there is an assembly video available on the product page and on YouTube for step-by-step help.

🏆 Our Verdict

The 6KU Fixed Gear Bike suits commuters and urban riders who value simplicity, low maintenance and a responsive ride. Lightweight aluminium construction combined with a flip-flop hub and double-walled alloy wheels makes it versatile for city use. While ongoing costs remain low, clear assembly support and included tools add practical long-term value.