Originally Posted by 79pmooney

Do you know what the tubing is? I assumed it was a not so light, probably not very high end tubing and that drilling it would be no big deal. (I've owned a string of such bikes of varying quality from Schwinn Japanese to very mediocre Sekine to a Miyata 610 to a Trek 520. I think all of those would have tolerated the drill and tap just fine. But the Fuji Pro I raced? I'd take that bike to someone I trusted to make that call. And if you feel it is doable but marginal, consider doing the drilling on top. The bottom of the DT is in tension - a crack spreader. Top is under compression and much more forgiving. Also cracks will be out where you can see them.