First is the Backbrat.
It's a portable grill that fits on your bike's rack. Here's how it works:
If you're going to be out on a bicycle trek and have grilled brats, you'll need beer too. The bike-mounted growler carrier is your answer.
The Backbrat website says it's specifically targeted at Germany but, hey, we Madisonians love beer. We love brats. And we love us some bicycles.