In an age where urban living demands both efficiency and practicality, the Retrospec Judd folding bike emerges as a notable contender in the realm of compact urban transportation. This review delves into the Judd’s unique blend of simplicity and functionality, a single-speed bike that promises to redefine the daily commute with its lightweight design and ease of storage.


  • Frame: Folding Aluminum Frame
  • Folded Dimensions: 30″ x 22″ x 10″
  • Weight: 24 lbs
  • Fork: Unicrown, Steel, threadless 1 1/8″, single eyelets
  • Rims: Aluminum 28H
  • Hubs: Front: Aluminum QR loose-ball, Rear: Coaster Brake
  • Tires: Commuter 20 x 1.75, S/V valves
  • Recommended Weight Limit: 250 lbs
  • Crank: Aluminum 152mm x 48T
  • Chain: KMC 1/8”
  • BB: Sealed Cartridge 68 x 118mm
  • Freewheel/Cog: 18T
  • Handlebars: Aluminum straight, 21.25″ width
  • Stem: Aluminum folding
  • Headset: Threadless 1 1/8″
  • Seatpost: Aluminum 30.4 x 600mm
  • Brake: Rear Coaster Brake
  • Kickstand: Center-Mount, Steel

Product Images

Design & Performance

The Retrospec Judd is a single-speed folding bike that stands out for its convenience and functionality, especially for urban commuters and those with limited storage space. Its design is centered around an aluminum frame, making it about 30% lighter than other folding bikes. This lightweight feature is enhanced by the use of Kenda Kwest commuter tires, known for their long-lasting durability and dependable performance in various urban conditions. I don’t really like the bulky and outdated folding latch but it works and feels fairly sturdy.

One of the key features of the Judd is its coaster brake system. This system eliminates the need for brake levers; instead, you simply pedal backward to engage the brake. This not only simplifies the braking process but also reduces maintenance since there are no brake pads or cables to take care of. However, it’s worth noting that coaster brakes can have the downside of increased skidding risk during sudden stops. Besides, you might be in big trouble if the chain comes off at high speed, there will be no backup brake then.

The bike’s 20-inch wheels are designed for faster acceleration, requiring less effort to get going and maintain riding speed, which contributes to an easier and more enjoyable ride. The bike is also equipped with ergonomic rubber grips and a comfortable seat, enhancing the overall riding experience, especially over longer distances.

In terms of adjustability, the Judd offers flexibility with adjustable handlebar height and seat height, catering to riders up to approximately 6 feet tall. The handlebars also tilt, allowing for further customization of the riding experience.

The Judd comes in several color options, including Black, Moss, Matcha, and Fjord offering a variety of choices to suit personal preferences.

Despite its many positives, the Retrospec Judd, like any bike, has its limitations. It’s mainly suited for flat terrain, given its single-speed nature. Additionally, the lack of gears might limit its versatility for different riding conditions or terrains.



  • Lightweight Design
  • Low Maintenance
  • Urban Commuter Friendly
  • Affordable
  • Comfortable for Short Rides


  • Limited Speed and Terrain Versatility
  • Braking System Limitations
  • Durability Concerns
  • Not Suitable for High-Speed Riding
  • Bulky folding latch

In terms of brand reputation, Retrospec is known for producing affordable outdoor products, including a wide range of bikes. They focus on making the outdoors accessible to a broader audience with their pricing strategy. While the bikes may not feature high-end components like Shimano gears, they offer a satisfactory experience for their price point.

Overall, the Retrospec Judd is a solid choice for those looking for a lightweight, low-maintenance, and easily storable bike, particularly suitable for urban commuting and short trips in the city. However, potential buyers should consider the limitations of a single-speed bike and the specificities of a coaster brake system before making a decision.

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