Specifically the 6mm/4mm angled shim noted here:
https://www.slowtwitch.com/Tech/Front_Derailleur_How-To_3775.html
I'm hoping someone has one they aren't using that they're willing to sell for the cost of shipping.
https://www.slowtwitch.com/Tech/Front_Derailleur_How-To_3775.html
I'm hoping someone has one they aren't using that they're willing to sell for the cost of shipping.