1.0 link Rainbow Dash Network http://rainbowdash.net/ adiwan (adiwan) http://rainbowdash.net/adiwan http://rainbowdash.net/notice/5484295 I'm satisfied with my latest bike repair. For the next time I have to change the sprocket I am considering going down to 16 teeth. Originally I had 19, now 18. I was always complaining that the gearing ratio was not high enough so this could be an option. The sprocket at my pedals has 39 teeth.