Originally Posted by
cbr2702
So that (with the copper wire) didn't really work. The wire got quite hot. So I made a small hole in the bottom of the case and ran the wire out. Then I soldered on a big tangle of copper. It doesn't heat up in the least now. A little ugly, and quite possibly overkill, but I don't mind. It would certainly be possible for someone to make this look quite nice. (Decorative copper twisting, minimalist fins, ...)

I was fortunate in that the dropin module I used was already heatsinked. I'm not sure how long a R2 will last without being well heatskinked (heatsunk?), though I know that DealExtreme does have heatsinks available on their site. Sweet bike, love the Brooks saddle too!