Get the new Cygolite Hotshot Pro 150 and buy the Hotshot rack mount for $5 on eBay (it works with the Pro 150 according to Cygolite). The Hotshot Pro 150 is the best taillight you can buy for under ~$50. I run one on my e-bike and my $200 Dinotte 300R isn't that much better if I'm honest.
Last edited by Dunbar; 10-17-16 at 11:15 AM.