Originally Posted by nukemm
Every time I look at my bike I see a huge gap of wasted space inside my frame. I ride a GT, so the triple-triangle eliminates most conventional frame bags, and those that are left are too small to use. I was wondering if anyone has ventured out and made their own bag to hold the basics. I'm tired of riding with a backpack just to not get stranded.
Yes, I've made or formed several for various bikes. You can take an old binocular case or pouch and zip-tie it on. Spray it with waterproofing of course. I've sewn my own bags from left over vynal. Although heavier, it's easier to add reflectivity while assembling the bag.