Originally Posted by
Michel Gagnon
3. Planet Bike Superflash. I got a couple of them last October and a bunch this Spring. Brighter than the TL-LD1000 on axis and off-axis. Their main limitation is that they have a limited water resistance. When riding for 1 - 1.5 hours in a downpour, the one I have on my seatpost stays ok but the one I have behind my rear rack (exposed to the rear wheel) stops working until it dries out complelely.
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Why not just wrap the clamshell seam with a slim 1/4" wide piece of industrial strength electrical or duct tape? I do that with all my lights and never had a leak.