In order to help you better;
- What does "light touring" mean to you? 100km per day for 2 weeks?
- What is more important to you comfort or speed?
- Why do you think you need 24 speed? what gears do you have on your Trek?Do you use them all?
- What kind of terrain? hills or flat? rough ground or smooth road?
- How important is folding size to you?
- How important is folding speed?
- How often are you going to carry your bike when folded? and how far?
Juan
25km commute is quite a commute!