I don't think that "pins" would hurt a carbon frame or aluminum frame,
providing that adequate bonding agent (glue in these cases) was
present in the joint.
>
> BUT (and this makes this message vintage pertinent & On Topic) those
> pins really don't reinforce anything, in steel or any other frame
> building material. They just keep the tubes in their appropriate place
> until the actual bonding (brazing, gluing or whatever) takes place.
>
> After their job is done, the pins are redundant and hence Angel's
> question asking if they were removed by builders after the building
> process.
>
> Dale Brown
>
Caro Dale, I beg to differ here. Any joint that would tend to unglue cannot but profit by having an added mechanical impediment to that. The improvement depending on obvious details.
Sergio
Pisa
P.s. Even a good cabinet maker adds wood pegs (no nails, please) to
nicely fitted
glued joints.