Originally Posted by
BigMacFU
Don't buy an LED system made for bikes, check out the Fenix Cree Flashlights or the Fenix Rebel flashlights. They have the highest powered LED's for only 58-69 bucks. Combine that with a Two Fish Flashlight block (13 bucks?) and you've got the cheapest, most powerful solution.
They look like great flashlights, but the run times they quote are for Lithium batteries, not alkalines. Do they still recommend to run in "turbo" mode for ten minutes or less, to limit the heat produced?
How effective is the beam spread for use on a bike?