Originally Posted by
derekthelion
I have begun commuting to school this past month, and my back is already killing me. The problem is that I am using a backpack. Though the pack has waste and chest straps, the hilly commute with the pack is making it very difficult on my back.
I use a Kelty Redwing 2650 backpack, often loaded up with 30-40 pounds or more. When I first started commuting with it, it hurt my back. After a few rides with the pain, I tried reattaching the (removable) waist strap and cinching it down. No more back pain.