walking is so booring
You could also argue the "capacity" of the bicycle - Burley trailer, Xtracycle, trail-a-bike, etc. Bikes = Good!
humming birds are the most efficient, by calorie burned. but then again, they have capacity issues.
walking is so booring
ReplyDeleteYou could also argue the "capacity" of the bicycle - Burley trailer, Xtracycle, trail-a-bike, etc. Bikes = Good!
ReplyDeletehumming birds are the most efficient, by calorie burned. but then again, they have capacity issues.
ReplyDelete