I like the concept of less seams for both ease of sewing and waterproofness on the roll top bag.
Roll top frame bag diy.
To protect your frame apply a little tape where.
Some might argue that carrying water in the frame triangle accomplishes the same thing but i would argue that a frame bag can make better use of the entirety of that space.
I like the form the zipper bag has due to the pattern and how it has the thin piece stitched all the way around the frame contact.
For most full suspension bikes a zippered frame bag is your only option.
That depends on what bike you have.
The lezyne power cages work great for this.
The gear fits in a removable roll top bag.
For a secure mount use about 2 3 of a roll of electrical tape.
Save your frame warranty and use tape.
Supplies needed link to pattern.
I m definitely taking notes for when i build a roll top frame bag soon.
Because of it s location the frame bag is ideal for carrying heavier items tp maintain a low center of gravity.
The exception is if you have a large frame in the style of the giant anthem trek fuel ex kona hei hei etc.
Great job on both those frame bags.
This is a must try method for securing cages or tubes or a pump or a can of beans or anything for that matter to your undrilled frame or fork.
The biggest issue with seat bags is sway.