Originally Posted by
Cute Boy Horse
I hate to say it but the easiest way to carry a 17" laptop on a bike is to trade it for a 15" laptop.
+1
Or even a 13" laptop.
Why do you need such a big laptop in the first place? I had one and when it crapped out, I got a 13 and never looked back. It's lighter and easier to carry in multiple bags. Hell, it even fits in my Chroma Kadet.