Originally Posted by
Mr. Fly
Given that riding over railroad tracks, pot holes and/or other types of impacts reduces spoke tension, how do you figure that rough roads cause the rim to crack around the spoke holes?
Shock, flexure, and elastic rebound. I suppose it could have been due to excessive and uneven tension or maybe a combination of all of the above. I've never had a rim fail from excessive spoke tension, bit I have from impact at a spoke.