Description

The Single Speed Calculator App determines the best possible cog and chainring configurations for your bike.

Simply enter your chainstay length, max. & min. cogs and max. & min. chainrings, and it will show you all possible configurations that will fit your bike.

Check out additional apps: Spoke Length Calculator; Wheel Builder and Oregon Mountain Bike Trail Maps.

What's New in Version 3.0

Fixed app issues with IOS 7.1. I will fix the app when ios 8.0 comes out.