[kevincrispie]

Originally Posted by instantcake

Although that could be a reason that our belt sheared teeth, it was overtensioned if anything (it was extremely difficult to get on), and made the nice tension'd sound. The cause of failure was the sheer force put on the belt.

Interesting. But it was possible to get on without detensioning before? Do you have a tensioner on your drivetrain that you use to get your belts on? Are these gt2 or vex belts? What brand of pulleys did you use?