Originally Posted by
rumrunn6
don't forget a backup light. you never know when your primary light is gonna have an issue. maybe never, but maybe 10 miles from home on a dark unlit road on a rainy or snowy night :/
Yep, mine is a cheap Ultrafire that lives in my commuting pack that time of year. It's not great, but in a pinch any light is better than none. Another point in favor of the dynamo system - personally I wouldn't carry a backup light if I had a dynamo.