Originally Posted by
panzerwagon
Decided to use a top-pull front derailleur with a 31.8 clamp on bike with 28.6 tubes and downtube cable routing. Shimmed the clamp with a piece of pvc water pipe split open. Made a clamp-on pulley using a one sided downtube shifter mount clamp and a plastic pulley wheel from a kids toy. Mounted pulley clamp on the seat tube above the FD clamp to reverse the cable from bottom pull to top-pull. A week after this madness decided to buy a suitable FD.
This perfectly describes many of my own experiments in setting up bikes.
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Keeping Seattle’s bike shops in business since 1978
Last edited by Aubergine; 07-23-25 at 10:04 PM.