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A graphical tool to design a bicycle geometry

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rattleCAD screenshotrattleCAD is a very small application that assists users create bicycle mock-ups by customizing the geometry variables and picking from dissimilar preset system components.

Since this is a portable tool, it is essential to mention that it doesn't leave any evidence in the Microsoft Windows Registry. You can copy it on any USB flash drive or other gadgets, and take it with you whenever you need to create a bicycle's geometry.

The user interface is very clean and grants quick access to its most significant functions. Unluckily, the whole process is not very intuitive and you may spend some time trying to adjust the dedicated parameters.

There are numerous bicycle components to choose from, forks, namely brakes, saddles, handlebars, bottle cages, and others. On the downside, you can not use the mouse cursor to customize their position in the working environment, so you have to add the values in the dedicated dialogs manually.

When it comes to configuration settings, the software enables users to customize the distance and height for saddles and handlebars, as well as the size for forks, brackets, wheels and many others. It is also attainable to zoom in or out of the created designs.


- calculate bicycle geometry
- graphical display
- drawing for workshop
- tube mitter
- exchange components


  • Free and open-source software.
  • Everything you need to create bicycle designs.
Name rattleCAD
Developer | see all products from this developer
Product Homepage rattleCAD
License Free (Freeware)
Last Week Downloads 8
All Time Downloads 4,019
Filename rattleCAD_3.4.04.19-win32-x86_64.exe
Filesize 10.5MB
MD5 Checksum 12C6346282087F37382774037D703BE5
OS Support Windows All
Category Design & Photo

100% CLEAN Certification

BadgerattleCAD has been tested by team against viruses, spyware, adware, trojan, backdoors and was found to be 100% clean. Our editors will recheck this software periodically to assure that it remains clean.


Old Versions

Software Date Added
rattleCAD March 06, 2017 - Latest Version
rattleCAD January 25, 2016
rattleCAD December 23, 2015
rattleCAD November 10, 2015
rattleCAD June 09, 2015

Download the free rattleCAD