* Uses a well proven formula that I have personally used for hundreds of wheel builds
* Includes a large built in database of rims and hubs, retro and modern
* User database of rims and hubs, add up to 12 rims, 12 front hubs and 12 rear hubs of your own to the database for easy future calculations
* Spoke length is given in both metric and imperial
* Check out my free version of this app before you buy *