Either run the inner cable from the seat tube stop straight into the derailleur from above or use a band on pulley near the BB and run the cable down and around that so it comes back up to the FD from beneath like it would on a normal road frame
Depends how the FD you’ve got works
Do you want top pull or a regular road FD?
Either run the inner cable from the seat tube stop straight into the derailleur from above or use a band on pulley near the BB and run the cable down and around that so it comes back up to the FD from beneath like it would on a normal road frame
Depends how the FD you’ve got works