Originally Posted by
phtomita
I am currently updating my Sekai to modern components.
The original drivetrain was a Suntour Cyclone with RD cable above the chainstay and FD cable had a casing to it.
I would like to move the cables below the bottom bracket and it will require a cable guide under the bottom bracket.
The Sekai doesn't have any hole under the bottom bracket area, so drill a hole, glue it or just place and leave the cables to hold it?
To do this, you would also need to move the RD cable stop from the top to the bottom of the chainstay. If it's clamp on, no problem. Rotate it. If it's brazed on, I suggest you let it stay over BB routed. You would need to cut it off and braze a new one on the bottom, and then repaint.
Anyway, to install an under BB cable guide, yeah, you should drill
and tap a hole.