Putting carbon tubes into the existing lugs won't give a big enough contact area for the glue, given you won't get a proper bond to the metal. The sockets on bonded Alan frames are deeper than steel lugs and they still have problems with failing bonds.
Putting carbon tubes into the existing lugs won't give a big enough contact area for the glue, given you won't get a proper bond to the metal. The sockets on bonded Alan frames are deeper than steel lugs and they still have problems with failing bonds.