---
product_id: 137960934
title: "Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike"
brand: "visit the retrospec store"
price: "FREE"
currency: EUR
in_stock: false
reviews_count: 4
url: https://www.desertcart.nl/products/137960934-critical-cycles-harper-single-speed-fixed-gear-urban-commuter-bike
store_origin: NL
region: Netherlands
---

# Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike

**Brand:** visit the retrospec store
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike by visit the retrospec store
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/137960934-critical-cycles-harper-single-speed-fixed-gear-urban-commuter-bike)

## Best For

- visit the retrospec store enthusiasts

## Why This Product

- Trusted visit the retrospec store brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

This is Critical Cycles brand new fixed-gear/single-speed bike. We want you to choose how you ride, which is why we've built this baby around a flip-flop hub. Ride fixed or single-speed with a freewheel. Our bikes come installed on the single-speed side, but you can quickly change the orientation by removing, flipping, and re-installing the rear wheel. These speed demons come equipped with two brakes to ensure your safety, 30mm deep-v rims for a softer ride, and KMC chain for ultimate reliability. Just because we've built this bike to be kind to your wallet, we haven't compromised on the quality of our components or the reliability of our ride.

## Features

- Premium hand-built steel fixed-gear/single-speed Track frame with bar-spin clearance, no toe overlap, and horizontal dropouts
- Flip-flop hub so you can ride Fixed or with a freewheel
- Comes standard with 30mm deep-v rims, Kenda commuter tires, KMC chain, VP freestyle pedals, and two sets of brakes
- All of the components required for a Super smooth ride
- Includes all the tools you need for building and maintaining your own bicycle
- Suggested Height: 5'6" - 5'9"

## Images

![Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike - Image 1](https://images-na.ssl-images-amazon.com/images/I/71hAtPoXN2L.jpg)
![Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike - Image 2](https://images-na.ssl-images-amazon.com/images/I/81Z0rG-rnBL.jpg)
![Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike - Image 3](https://images-na.ssl-images-amazon.com/images/I/71s8AkwKfvL.jpg)
![Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike - Image 4](https://images-na.ssl-images-amazon.com/images/I/711cW8UCtiL.jpg)
![Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike - Image 5](https://images-na.ssl-images-amazon.com/images/I/71nNdlVtwZL.jpg)

## Customer Reviews

### ⭐⭐⭐ 







  
  
    Do your review research first
  

*by S***7 on Reviewed in the United States on September 13, 2018*

Right off the bat, I did a little research and quickly realized after constructing the bike I should have done more.I knew going in the bike would be heavy considering it doesn't have derailleurs and advanced mechanics. The bike is inexpensively constructed, with external cabling (not internal as most bikes are today), and made out of solid steel. Some folks enjoy steel, but I much rather prefer an aluminum frame vs. Although, aluminum commuter bikes also add ~$100 to the price.Brake components and wheels are fairly standard and work well. Putting everything together was a piece of cake. If you are mechanically inclined like I am, you will want to adjust the brake pads and pull of the brake cables. Additionally, you'll want to inspect the rear hub to ensure it was put together properly at the factory.The pedals are plastic and will need to be replaced if you want to attach toe cages.Lastly... the fit... now I am 5'10" and according to the Critical website a Large should fit me. Nope. I have a 32" inseam and the top bar of the Large frame touches my taint when standing above it. Someone who is 5'10" should definitely go for a Medium frame size. Next, I find the force required to move the bike is problematic. I live in Denver which has a little variety in grade, but not like Seattle or Portland and I KNOW this bike would not work there. It is geared for commuting at high speeds and not good for starting and stopping or commuting on hills. Right now I am researching front chain ring replacements to make pedaling easier.Overall, it looks great for $200 and solidly constructed, but the pedals will be replaced and the front chain ring will have to be replaced to accommodate easier pedaling and I definitely should have bought a Medium-size frame being that I'm 5'10".

### ⭐⭐⭐⭐⭐ 







  
  
    Amazing.
  

*by T***M on Reviewed in the United States on May 9, 2018*

Critical Cycles Harper Single-Speed Fixed Gear Urban Commuter Bike; 49cm, Sage Green









  
  
    
   I absolutely love this bike. As someone who is a competitive rider, I wanted something I can ride everywhere without having to worry... and this is it! I do a 14 mile bike commute on Pennsylvania roads (more potholes than road...) and this bike can handle everything. Even tried some gravel with a little more aggressive tires and perfect. I would recommend this 100x over... though do yourself a favor and change the seat. It is pretty to look at but gosh darn does it start to hurt.

### ⭐ 







  
  
    Don’t trust the measurements!
  

*by R***S on Reviewed in the United States on August 14, 2018*

If you’re one of those people who smart enough to convert the metric math to standard, DON’T buy this bike. They got it wrong. But bike for my son and was looking for something around 24 inches which would equal 60 cm. Bought the 57 cm bike, which showed up with 28 inch tires! WTF!?

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**Shop now:** [https://www.desertcart.nl/products/137960934-critical-cycles-harper-single-speed-fixed-gear-urban-commuter-bike](https://www.desertcart.nl/products/137960934-critical-cycles-harper-single-speed-fixed-gear-urban-commuter-bike)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-24*