# Gearbag by Gatesnap Labs — BMX Racing Gear Calculator

> BMX racing gear calculator for gear inches and rollout. (iPhone/iPad app by John Pavlick.)

- Source: https://appshunter.io/ios/app/gearbag-by-gatesnap-labs/id1637272321 (this page in markdown: same URL + `.md`)
- Developer: [John Pavlick](https://appshunter.io/developer/1637272323)
- Category: Sports, Reference
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 6 MB
- Languages: English
- Released: 2022-09-07
- Data updated: 2026-06-10
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/gearbag-by-gatesnap-labs/id1637272321/reviews.md

## What is Gearbag by Gatesnap Labs?

Gearbag calculates your gear-inches and rollout based on your rim, tire, sprocket, and cog; then shows your gearing, along with other possible sprocket and cog combinations that are incrementally smaller or larger. Now, you can dial your bike in for race day without the guesswork.

Considering picking up a cruiser? Has your child outgrown Expert-sized rims? New tire sponsor? We've got you covered. Gearbag has a "Compare Bikes" mode - enter your current bike, then choose a second rim and tire to calculate equivalent gearing. Spend less time doing algebra, and more time in the winner's circle.

Features:

- 32-51T sprocket options with support for decimal gearing
- 12-19T cog options
- Tire options for most major makes and models in 18, 20, OS20, 24, and 26-inch sizes
- Show results in Imperial (English / American / Standard) or Metric
- Supported languages: English, Spanish, French, German

## Key features

- Gear inch and rollout calculation
- Sprocket and cog combination suggestions
- Compare different bike setups
- Support for various tire sizes
- Imperial and Metric unit options
- Multi-language support


## Frequently asked questions about Gearbag by Gatesnap Labs

### Does Gearbag have ads?

Yes, Gearbag contains advertisements. As it is a free application, ads are displayed to support its development and maintenance.

### What is the latest version of Gearbag?

The latest version of Gearbag is 1.04, released on September 16, 2022. This version likely includes bug fixes and minor improvements based on user feedback.

### What devices does Gearbag support?

Gearbag is supported on iPhone and iPod devices. It is designed for iOS mobile platforms.

### How often is Gearbag updated?

Gearbag was last updated on September 16, 2022. The initial release was on September 7, 2022, indicating a relatively recent update frequency.

### What age rating does Gearbag have?

Gearbag has an age rating of 4+. This suggests it is suitable for a wide audience, including younger users interested in BMX racing.

### Can Gearbag calculate gearing for different tire sizes?

Yes, Gearbag supports tire options for most major makes and models in 18, 20, OS20, 24, and 26-inch sizes. This allows for accurate gearing calculations across various wheel setups.

### What languages does Gearbag support?

Gearbag supports English, Spanish, French, and German. This makes it accessible to a global audience of BMX riders.

### What is the user sentiment for Gearbag?

Gearbag has received a perfect 5.0-star rating from 3 reviews. This indicates a highly positive user sentiment among its current user base.

## Version history (last 5 releases)

### 1.04 — 2022-09-16

- UI bugfixes

### 1.03 — 2022-09-13

- Ad experience update

### 1.02 — 2022-09-12

- Minor UI updates

### 1.01 — 2022-09-08

- Updated support & marketing URLs in App Store description
- Added more screenshots for App Store description
- Minor fixes for German language text

### 1.0 — 2022-09-07

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*