Make your bike the Optimus Prime of bikes by transforming it from plain old yawn-mobile into a fully outfitted commuter/city rig with the Blackburn SPX-1 Ultimate Seat Rack. Okay, even if that's a bit dramatic, we are talking about lightweight 6061 aluminum with 4 bolt mounting that can handle 21 lbs of everything from Absinthe to Zydeco records. Plus there's a reflector/flasher mount on the back to keep you visible to motorists.
Aircraft quality 6061 aluminum alloy construction for uncompromised strength
Reflector end plug and flasher clip included
Perfect for bikes without braze-on rack mounts
4 bolt mounting hardware is easy and secure
21 lbs / 10g carrying capacity
Fits alloy seatposts between 22 and 32 mm in diameter (most any seatpost)