Topeak's Explorer Tubular Rack is a great add-on for carrying a trunk bag, pannier or anything else you want to strap on. It's made of tubular aluminum, fits most bikes with disc brakes, and has a center strip that acts like a short fender, too.
Specialized's Elite Rear Rack is a versatile rack that allows you to carry your gear wherever you go.
•Lightweight, 6061-aluminum construction
•Universal fit for 700c bikes
•Fast, easy installation
•Max load: 25Kg