Joined: Mar 2007
Posts: 3,908
Likes: 320
From: Greer, SC
Bikes: Holdsworth custom, Macario Pro, Ciocc San Cristobal, Viner Nemo, Cyfac Le Mythique, Giant TCR, Tommasso Mondial, Cyfac Etoile
You can use a 7-speed freewheel with 126mm rear dropout spacing and 7-speed chain. Largest freewheel cog size is largely determined by the rear derailleur's clearance and chain wrap capacity. Clearance can be increased using a Wolf Tooth Road Link (or much cheaper copy from Ebay).
Last edited by sced; 09-17-23 at 09:41 AM.