A rolltop bag requires a mostly straight top seam and a fair bit of height to make the straps work.
Roll top frame bag diy.
In my opinion the frame bag is the crux of such a kit.
Great job on both those frame bags.
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.
The gear fits in a removable roll top bag.
The lezyne power cages work great for this.
Supplies needed link to pattern.
I like the concept of less seams for both ease of sewing and waterproofness on the roll top bag.
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.
To protect your frame apply a little tape where.
This solves the sometimes annoying process of unpacking and re weaving the seat bag to the bike.
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.
Save your frame warranty and use tape.
I m definitely taking notes for when i build a roll top frame bag soon.
For a secure mount use about 2 3 of a roll of electrical tape.
The exception is if you have a large frame in the style of the giant anthem trek fuel ex kona hei hei etc.