Joined: Jan 2010
Posts: 9,778
Likes: 1,746
From: Northern California
Bikes: Cheltenham-Pedersen racer, Boulder F/S Paris-Roubaix, Varsity racer, '52 Christophe, '62 Continental, '92 Merckx, '75 Limongi, '76 Presto, '72 Gitane SC, '71 Schwinn SS, etc.
BarCons impose very long cable runs, and shifting will be much more responsive using compressionless housing and plastic liner at any steel bb cable guide paths.
This certainly applies equally to friction shifting as well as to indexed shifting.