Bike size calculator

This tool is a Bike Size Calculator that helps determine the appropriate size of a road bike or fixed-gear bike for an individual based on their physical measurements. It uses your height, inseam length, and arm length to suggest an appropriately sized bike. The tool calculates the frame size, standover height, top tube length, reach, and stack, which are all critical dimensions for a properly fitted bike.

How it works:

  1. Presets: The tool provides preset average measurements for men and women. If you select one of these presets, the tool will automatically fill in the height, inseam, and arm length fields with the average measurements for the chosen gender.
  2. User Input: The user can manually enter their height, inseam length, and arm length in inches. These measurements should be as accurate as possible to ensure the bike size calculated is a good fit.
  3. Calculations: When the user clicks on the “Calculate Bike Size” button, the tool uses these measurements to calculate the recommended bike size. The formulae used are based on standard guidelines for bike fitting. The measurements are converted from inches to centimeters to do the calculations and then represented as centimeters in the output. The main calculation is for the frame size, which is the inseam length multiplied by 0.70.
  4. Output: The tool then displays the results, which include the recommended frame size, standover height, top tube length, reach, and stack. These values are all crucial measurements when considering the right bike size. The results are shown in centimeters.

Remember, this tool provides an estimation based on a few measurements and general guidelines. It does not replace the need for a professional bike fitting, especially if you have unique requirements or are considering a high-end bike.

It’s also important to note that the comfort and feel of a bike can vary based on many factors, including the bike’s design and geometry, the rider’s flexibility, and riding style, among others. Thus, the tool should be used as a starting point, with the understanding that adjustments may be necessary.

Frequently asked questions (FAQ)

Brooklyn Fixed Gear is your source for fixie, single-single-speed & track bike content. Here are some answers to the most frequently asked questions to regarding fixed-gear cycling.

What is a fixed-gear bike, and how is it different from a regular bike?

A fixed-gear bike, also known as a fixie, is a type of bike that has a fixed rear wheel, which means that the pedals are directly connected to the rear wheel. Unlike a regular bike, a fixed-gear bike has no freewheel, so you cannot coast or stop pedaling while riding. This means that you must constantly pedal while riding a fixed-gear bike, and you can slow down or stop the bike by resisting the pedals with your legs.

Why don't fixed-gear bikes have brakes

Fixed-gear bicycles, or "fixies," often do not have brakes due to their simplicity and minimalism, which allows riders to control speed through pedaling resistance. This brakeless design reduces the bike's weight, making it more maneuverable while connecting riders to the tradition and culture of track cycling. However, riding a fixed-gear bicycle without brakes can be dangerous, particularly in urban settings with traffic and unpredictable conditions, so many places require bicycles to have at least one functioning brake by law. It's a good idea to have at least a front brake installed for safety if you're considering riding a fixed-gear bike.

What are the benefits of riding a fixed-gear bike?

Some people prefer fixed-gear bikes because they are simpler and require less maintenance than bikes with multiple gears. Fixed-gear bikes also provide a more direct connection between the rider and the bike, which can make for a more responsive and enjoyable riding experience. Additionally, riding a fixed-gear bike can help improve your leg strength and pedal stroke.

Are fixed-gear bikes legal?

Fixed-gear bikes, also known as "fixies," are generally legal in most countries. However, local laws and regulations may require bicycles to have certain safety features, such as brakes, reflectors, or lights. For fixed-gear bikes, some jurisdictions require at least one functioning brake, typically a front brake, to be considered road-legal. It's essential to check the specific laws and regulations in your area to ensure your fixed-gear bike complies with local requirements. Keep in mind that riding without brakes or necessary safety features can be dangerous, and it's always a good idea to prioritize safety when cycling in any environment.

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