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This Alloy Fixie or Singlespeed Bike is the 8th Evolution of 8Bar’s Original Low-Cost Krzberg

2025 8Bar Krzberg v8 affordable alloy singlespeed fixie
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This new 8Bar Krzberg v8 has been one of the Berlin bike brand’s original affordable, customizable fixies. And now it gets an 8th-generation refresh with bigger tire clearance, lighter weight, and increased stiffness… as well as a few creature comfort updates, too. Build it up as a flat bar singlespeed with a freewheel for everyday city commuter use, or slap on a dropbar and a fixed cog for urban crit racing.

8Bar Krzberg v8 affordable, versatile singlespeed fixie

2025 8Bar Krzberg v8 affordable alloy singlespeed fixie, complete
(Photos by Stefan Haehnel/8bar)

The Krzberg has been around since 2011 as a simple singlespeed road/track frameset, ready to be built up however you like. Originating with the urban fixie culture that formed the backbone of 8bar Bikes’ early years, it is still a popular option. Combine the simple Krzberg frame with 8bar’s online bike builder customization tool, and it’s still a great option for city dwellers looking to build up a personalized but still affordable bike to get around town.

2025 8Bar Krzberg v8 affordable alloy singlespeed fixie, city riding

What’s new?

Now in its 8th iteration, the 8Bar Krzberg v8 gets a lot of tubing reshaping, including an oversized aero downtube and new flattened toptube profile that boosts lateral stiffness while increasing rider comfort and slightly improving overall aerodynamics. The frame also returns to a more conventional, slightly sloping toptube design that sheds a few grams and, together with new hydroformed tube shaping, increases frame stiffness.

2025 8Bar Krzberg v8 affordable alloy singlespeed fixie, dropouts

It also gets a next iteration of 8bar logo track end dropouts with double-sided replaceable stainless steel faces.

Then, in a continued evolution for mixed surface versatility, or even just more comfort on potholed city streets, the 8Bar Krzberg 8 gets upgraded to wide 32mm tire clearance. Plus, it finally adds a set of water bottle cage mounts to the seattube, because not every ride is a 45-minute fixed gear crit!

Tech details

2025 8Bar Krzberg v8 affordable alloy singlespeed fixie, Aurora frame angled non-driveside
  • welded alloy singlespeed / fixed gear specific frame
  • custom triple-butted aero 6061 aluminum tubeset
  • sloping frame geometry
  • 700c x 32mm max tire clearance
  • single water bottle cage mount
2025 8Bar Krzberg v8 affordable alloy singlespeed fixie, basic black frame
  • 1.5″ tapered headtube (IS42/28.6 + IS52/40 headset)
  • horizontal track ends (10x120mm bolt-on dropouts) with 2-sided replaceable stainless steel plates
  • 27.2mm round seatpost with external 31.8 clamp (included)
  • 68mm BSA threaded bottom bracket
  • 1x only, max 52T chainring (43mm chainline)
  • drilled for long-reach dual-pivot rim brakes (front and/or rear)
  • optional riveted rear brake cable routing available
  • 1700g frame weight (claimed)
  • 4 stock sizes (S-XL)
2025 8Bar Krzberg v8 affordable alloy singlespeed fixie, geometry

8Bar Krzberg v8 – Pricing, options & availability

2025 8Bar Krzberg v8 affordable alloy singlespeed fixie, frameset

The new 8Bar Krzberg v8 is sold as either a frame only starting at 407€, as a frameset with an alloy fork from 559€, or with a full carbon fork from 712€. It comes in matte black with shiny polished logos standard. Or you can upgrade to either a matte industrial raw aluminum finish with black logos, or a limited edition color-changing Aurora (blue-green to purple) paint job with polished logos for an extra 102€.

2025 8Bar Krzberg v8 affordable alloy singlespeed fixie, frame close-up riding

Or you can get the new bike in one of two different types of fully customizable complete builds.

The Krzberg v8 Crit is a dropbar build for road training, riding at the velodrome, or city crit racing with pricing starting at 1235€. Or choose the Krzberg v8 Urban build kits to get a narrow flat or bullhorn bar build perfect for riding it as a no-nonsense city commuter bike from 1215€.

2025 8Bar Krzberg v8 affordable alloy singlespeed fixie, trackstand

Customize either build to your tastes, and pick from pure fixed-gear or singlespeed setups no matter which you choose.

8bar-bikes.com

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