How I wish I had. I did try drilling the bolts out initially but this didn't work as with limited tools I couldn't prevent the bolts spinning whilst drilling. After taking it to the bike shop, and for a fee that was, at the time less than the cost of buying a grinder, I thought why not, let the pros at it, especially as they were sympathetic to the fact I didn't want bits rattling around in the frame, and that the people they used were great at what they did.02gf74":2mvl9sbc said:don't understand why you didn't do this yourself. :?:
it should be prettey straight forward job to grind the head of the bolt down - it needn't be ground fully off so no risk of grinding the tube - as long as it can be thin enough to deform when punching it through into the tube. :!:
as for rattling inside, grind open the bottom bracket tube vent hole so it is large enough for the debris to drop through - the large hole would not weaken the frame at all.
I'm not repeating the thread. Again, but suffice to say what I was told would happen and what did were poles apart, and problems ensued.
Thankfully enigma did a great job of rectifying the abortion created by colourtech, so I'm happy, the build is complete and it's a lovely ride.
Knowing what I know now, I'd certainly tackle a job like this myself in future, or send it to enigma. If I wanted cavity wall insulation, I'd go to colourtech.