The Cascadia's are awesome...! A very well thought out product.
They come with spacers and fittings which allow them to be used with disc brakes. I thought that I'd be making a run to Home Depot for extra hardware...but in actuality, the installation took about 15 minutes. The mud flaps are extra long...but they are made of very flexible rubber, and they will bend if you need to put your bike on a "tray" style roof rack.
Highly recommended...
