The Universal Derailleur Hanger (UDH) standard exists as a Trojan Horse of a standard. While this new frame standard has caused some headaches among framebuilders, it does bring with it a few benefits that we think outweigh the negatives.

For our development of the Dropped Stay Concept, we ran through many iterations of Finite Element Analysis to calculate critical stresses and to make sure that the deflections are all within the designed limits.