Fitfixer

Introduction

Currently, FIT files recorded by Tymewear experience two little issues:

1. Power is recorded in a custom field "tymewear power" wheres the standard field "power" remains unset.
2. Cadence is recorded as half the value.

The Fitfixer tool fixes these issues.

Install requirements

Fitfixer is distributed as a Python package. Several installation methods are available.

Using pip

Executing pip installs the package in your current Python environment. Global installation was once possible, but modern Linux distributions no longer permit this approach.

pip install fitfix

Using pipx or uv

Both pipx and uv enable global tool installation. The package can be installed as follows:

pipx install fitfix

or

uv tool install fitfix

How to use

fitfix <input file> <output file>