The RuthWorks SF Wedge is the best size to carry a realistic daily load with no weight penalty. Generous enough to fit two tubes, tire levers, mini-pump, tools, a few bars, and wind vest.
Built ultralight and strong to endure many years of happy miles.
Roll Top and Flap closure for expandability
Attachment point for rear light
Bottom Shock Cord for external bulky storage
One strap to attach the bag to the seat rails
One strap to attach the bag to the seat post
Width: 2" to 5"
Weight: Approximately 118 grams