Joined: Nov 2003
Posts: 2,331
Likes: 2
From: UMASS, Amherst/ Swick, MA
Bikes: 07 Specialized Langster Comp,06 Kona King Zing, 06 Specialized Rockhopper Pro Disc; 03 LOOK KG461;(destroyed by suv); 85 Panasonic Team America; 73 Peugeot U0-8; 94 Balance Super B BMX; 04 Diamondback Outlook MTB, Diamondback DBR DH
I see carrying the backpack if it was a couple of miles. If the OP's commute is longer (mine is 16 miles), then carrying a backpack that heavy will not be a very good solution. I had to do it a couple of times and my shoulders were shot for days.