Let your bike be the tool
Joined: Jun 2006
Posts: 1,111
Likes: 704
From: NC/SC border
Bikes: '66 Raleigh Carlton, '70 Ron Cooper, '95 Bianchi CD'I, "Bottecchia" Zonal Frame with Xenon gruppo, "Bottecchia"Carbon Frame with Record Gruppo, Columbia Twosome, Terry Classic, Bianchi SX, Gravity SS/FG, Titanium "Motobecane" with Ultegra DI2
Perhaps when you installed the new chain you passed over a projection on the derailleur cage rather than under the projection. Sorry about my lack of terminology. The projection I refer to keeps the chain from jumping off the jockey wheels.
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