BikeSized

BikeSized

Discover your Bike Size

2 ratings
2 reviews
Free
In-App Purchases

Details

Released
September 9, 2026
Updated
September 9, 2026

Features

BikeSized screenshot #1 for iPhone
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About

Determine your ideal bicycle size and adjust your current bike's fit from home. This tool uses advanced calculations and real-time 3D rider reactions to help you find the perfect fit for comfortable or performance riding.

✓3D rider simulation for real-time fit adjustments
✓Mathematically advanced fit search (SOLVE)
✓Body and frame geometry measurement input
✓Cockpit control adjustments (stem, saddle, cleats)
✓Fit evaluation for new bike purchases
✓Refine fit on existing bicycles
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What's New in BikeSized

1.0

September 9, 2026

1

Subscriptions & In-App Purchases

$8.99

BikeSized Advanced

One purchase, unlocked forever

User reviews

Exactly what I was looking for!

I’ve been trying out bike fitting apps for a while now and none of them do the detail that I’m looking for. BikeSized does a great job showing all of the joints and pain point areas and how to find the right frame and position for your body measurements. It walks you through everything with a tutorial. It also has some cool AI features I haven’t used yet. Highly recommend if you’re trying to find the right bike frame and adjustments!
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Nothing like it!!

Tried all the bike fit apps and this was the first that let me build out the perfect size and finally order that dream bike!

FAQ

What is BikeSized?

BikeSized is a utility app designed to help cyclists determine their optimal bike size and refine their current bike's fit. It uses advanced mathematical solutions and real-time 3D rider simulations to provide personalized fitting recommendations.

How does BikeSized determine my bike size?

BikeSized allows you to input body measurements and frame geometry data. It then uses a mathematically advanced search called SOLVE to find a fit within your specified angle ranges, simulating how your body reacts in real-time as you make adjustments.

Can BikeSized help me adjust my current bike?

Yes, BikeSized is perfect for refining the fit on a bike you already own. You can adjust cockpit controls like stem, spacers, bar reach, saddle, and cleats from your couch to achieve a more comfortable or performance-oriented fit.

What are the benefits of BikeSized Advanced?

BikeSized Advanced is a one-time purchase that unlocks specific fit profiles like Endurance, Performance, Aggressive, and Aero. It also allows SOLVE to consider new components like stems, bars, or cranks, and provides advanced fit controls.

Is BikeSized suitable for beginners and experienced cyclists?

BikeSized is designed for both pain-free casual riding and dialed-in performance fits. Whether you're choosing a new dream bike online or optimizing your existing setup, it caters to various cycling needs.

Does BikeSized have ads?

No, BikeSized is ad-free. The developers state there is no advertising, no tracking, and no account required to use the app.

What devices does BikeSized support?

Based on the provided data, BikeSized currently supports iPhones. It was released on 2026-09-09 and is available on version 1.0.

Is BikeSized a paid app?

BikeSized is free to download and use. However, there is an optional one-time purchase for BikeSized Advanced, which unlocks additional features and fit profiles.