Originally Posted by
illwafer
Schwalbe seems to manufacture their tires a bit larger in diameter than most tires. Velocity may make their rims a bit smaller as well. The combination is deadly.
I would guess that it is a similar situation. The bead is working its way off of the rim and the tube is blowing.
For me the solution was to get some Bontrager hardcases.
Agreed. I used some marathon plus 26x1.75 that mounted way too easily; you need to be very cautious about mounting them and inflate/deflate to ensure a safe contact. I switched to RibMo Panaracer's because the Schwalbe's felt like anchors on the road.