Transmission, it's weaknesses, and "solutions" for those weaknesses all seem kind of insane to me. Hey we have this little uvula looking thing on the back of frames which the derailleur attaches to. Usually, derailleurs aren't that expensive these days but just in case, it's meant to bend instead of allowing the derailleur to break. Because our frame is made of steel, we can usually just bend it back for free! How nice! Since we moved on to alloy/carbon, we had to make the hanger its own item. We went with aluminum alloy so it's stiff and light, but if...