Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike

Critical Cycles Harper

The Critical Cycles practically hand design their fixed gear bikes, especially for bike enthusiasts and commuters. Equipped with a frame that is tig-welded, its horizontal dropouts and other components are excellently used for cycling around town or best in performing bicycle tricks on the track; this fixed gear urban road bike is the best standard single speed, which is just about anything but standard. Well, want to know more about this bike? This review will give you a sneak pick of the Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike and what it has to offer.


This road bike comes in 43, 49, 57 and 60cm frame sizes and in more than ten beautiful colors, which makes this design one of the most and best different unisex bike designed for multiple riders.

This fixie urban bike has a flip-flop hub, to enable the riders utilize this machine as a fixed gear. Additionally, it allows the rider to switch the cogs with ease and make use of it like a standard single speed. This bike can tackle the roughness of the track like potholes and asphalt using the Wandea tires, which are optimized for use around the city and on the roads.

This bike has excellent components which most other road bicycles do not have. It uses a sun run front wheel, KMC chain, Promax brakes, Protek cranks and well-go pedals, which make this machine a reliable and dependable everyday bike for city riders and commuters.

Its wheel size is 700C and tire size 23inches making it equivalent to an ISO size 23-622.

The bike weighs 25 pounds; this bike is a robust but a lightweight machine, which is slightly below the ideal standard weight for a bike of this kind. A bike that is too light can make it feel ride and feel too cheap while a too heavy bike makes it feel awkward. This bike at 25 pounds with its high-quality components makes this fixie urban road bike the right machine for everyone.


  • The bike is affordable for less than $300 you can get a machine ready to hit the road.
  • It has well built and clean welds.
  • ​Durable frame made to last for long.
  • ​Comes in different colors to match different styles and tastes of riders.
  • Lightweight bike
  • Comfortable bike to ride.


  • The Critical Cycles has a rear brake and no front brake.
  • The brake pads wear out quickly.

Technical Specifications and Features

  • Hand-Fixed Gear built from Premium Steel
  • Track Frame
  • A bar-spin clearance
  • A top tube (flat)
  • No Toes overlap
  • Horizontal dropouts
  • Weighs 25 pounds
  • 700C Wheel size
  • Tire Size 23 (ISO size 23-622)
  • Wanda tire brand
  • Deep-V Double-walled rims
  • Flip-flop hub
  • Fixed gear cog and Freewheel on Wheelset
  • Bottom bracket and Neco headset
  • KMC Chain
  • Well-Go Pedals
  • Pro-Max Brakes
  • Frame sizes 43cm, 49cm,53cm, 57cm, and 60cm

Bike Performance

The powerful performance of the Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike owes everything to the components and material used in making the bike.

This road bike uses a hand-crafted steel frame, a lightweight chain wheel made from alloy, brand name components for the bottom bracket, headset, pedals, chain, crank, and brakes. These high-quality components make the functionality of this machine superior to others, regarding the price range and other road bikes, which cost a couple of more hundred dollars. The Critical Cycles have excellently achieved by doing a superb job of using quality material to make this affordable machine. Its fixed gear performs as it should and with the flip-flop hub allow the road bike to be used like a single-speed bicycle as well.

What to Look Out for Before Buying this Bike

When you make up your mind to buy a bicycle, there are some things you may need to familiarize yourself with before you settle on that one bike, below are some of them:

Safety Gears – Before you hit the road, one of the essential things you should consider are the safety components on your bike. Ensure you equip yourself with helmets and pads that fit perfectly. Such safety components provide you with protection against major accidents on the trail.

Easy to Assemble – When you are out looking to purchase a single speed bike, aim at getting one which comes with a simple assembling procedure. This will allow you to reassemble and disassemble your bicycle according to the trail you are going to cycle on; as such it will provide you with an outstanding and exceptional safe riding experience all the time.

Comfort – Your comfort as a rider is an essential thing you need to consider when you decide to purchase a single speed bike. The essence of comfort will only be provided to you by the comfortable seat of the single speeder. Ensure that the saddle is fashioned out of a comfortable and durable material to prevent any back and spine injuries from occurring.

Durability - Single speeders usually do not have that complex gearing system involved, for that matter, it is easy to care and maintain them for long. These machines can offer you exceptional longevity while allowing you to use and keep them for many years. So long as these bicycles are kept from falling from great heights, the single speeds will remain durable.

Lightweight – Compared to multi-geared bikes, the single speed machines are lighter. Although the kind of speed you will get with this bike will still depend on how hard you peddle. But if you would want to transport or move it to another place, carrying it along with you on any trip will be a breeze for you.

Who Should Buy the Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike?

This fixie urban road bike is a unisex machine and versatile for commuters and bike enthusiasts. This model shines and stands out from other inferior bicycles. The bike components are brand names rather than other cheaply made casts which are typically used in building other bicycles during manufacturing.

Riders can choose from an array of colors, like the tan or the regular matte black, or you can choose to brighten things up by settling for a highly visible multi-colored option, which has colors like bright red, pink, Celeste, blue and yellow. The overall look and quality of this bicycle and the price it offers is way better on the market. It is a fabulous machine and is highly recommended for casual riders, beginners, and commuters.

Why Should You Buy It?

This machine is beautiful and has incredible aspects, including the components, the price and a wide range of color options to choose from. Whether one prefers a neutral style, a solid look or a loud and bright color scheme, this fixie urban road bike has all that.

Talk about the price; it is pretty incredible. Depending on the size you have chosen, all the models go under the $300 mark. Because of the cost, this machine was expected to have lesser features and lower quality; however, that is not the case.

Made from the high-class brand name components, the various frame sizes, and the sturdy steel frame; this bicycle has a high-end design than any other bicycle in this price category. Equipped with the features seen above all of them complement other functions and features the road bike has.

The other benefit is that this bike is an excellent machine for casual commuters, beginners, casual freestyle riders, and anyone looking to purchase an inexpensive bicycle with better parts.

Riders can choose from 5 sizes, both men and women will find that perfect fix. Not forgetting the ten wide range of colors, some bright that promotes your visibility and others dark showcasing your personality. No matter your style, be sure to find it with this bicycle, the Critical Cycles.

Frequently Asked Questions

​Q: Apart from the matte black is this bike available in any other color?

A: Yes, this bike comes in a whole 10 color combinations to choose from. Other Colors available include; white/black, Gray/Orange, Black/Red, Pink/Celeste, Light Blue, Tan, and Blue/Aqua

Q: Does this bike have a flip flop hub?A: Yes, it does.Q: How much does this road bike weigh?

A: It weighs 25 pounds.

Q: What size of tires comes on this bike?

A: The tire size is a 23’’

Q: What is the weight limit of this bike?

A: All of our bikes have a weight limit of 220 lbs.


If you are a fun loving person looking for a fun road bicycle, for your urban shredding moments, then the Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike is the bike for you. It boasts of a robust steel frame, with a solid mix of quality components and a wide range of color varieties that are pretty amazing. Looking at the price, it has such a compelling offer for this stylish fixie bike. I recommend you get this fabulous machine and have lots of fun riding it with your family and friends.


I am David. This is my personal blog and I post about things I do and I am interested in., I’ll mostly talk about Cycling. I have an in-depth experience in writing about Mountain biking.

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