Finally got RAD just to send me one after way too much back and forth.

The baggy doesn't say what type of Hanger it is, but I've attached pictures for people in the future who came here via Google. Best of luck.

It attaches to the inside of the bicycle if that helps you. From the looks of it, it can fit all the Radcity.

Hi There,

Does anyone know what the derailleur hanger number is for the Radcity 4?

Thanks

SundayFunday