Hi Bunch, Hoping you could help me work through throuble-shooting a friction shifting issue on a rear derailer. I have a feeling it's actually a much simpler issue than I think, and that I may already know the problem. But looking for advice anyhow.
PROBLEM: -- rear derailer won't shift into highest gear on it's own -- but it does when I apply forward motion with moderate pressure with my right foot at about 2 to 3 c'clock position -- all other gears shift fine, if not wonderfully CAVEAT: -- I'm using vintage parts that may not play well. But I think they could? All but one part are in great condition. So there's that. DRIVETRAIN: -- rear derailer: *Suntour Cyclone GT long cage <http://velobase.com/ViewComponent.aspx?ID=9C9A73FD-A345-4B2D-B524-66C9B1D79350&Enum=108&AbsPos=22> the High limit screw is maxed out* *-- *front der: Suntour Cyclone -- have tried both 8 spd and 9 spd 11-32/36 cassettes with same issue, *although 8 speed is slightly better* -- White Ind M15 shimano body hub, with correct spacers -- yes, fresh chain -- Rene Herse double 44/28 -- 113mm bottom brackett -- vintage suntour bar-cons (this is the only vintage item that is not in near-perfect condition, in my amateur opinion) -- recently changed all cable and housing ALSO IMPORTANT: *the same bike has experienced great index shifting with the following:* -- White Industries ENO crank with 42 tooth chainring -- same 113mm bottom brackett -- SRAM Rival road brake/shifters -- SRAM Rival rear derailer -- SRAM cassette 11spd, 11-42 THOUGHTS: -- this is a chainline issue; the WI crank has a wider Q that the Rene Herse, so derailer can move chain outside easier? -- If the above is true, is the only solution a BB with longer spindles? -- I'm being overly optimistic with the actual abilities of the Suntour Cyclone and should give up. Even though it easily wraps the lower gears. -- the derailer is in fact bent and I can't tell with my naked eye Thanks everyone! Patch BK/NY -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/7435d7d6-c41e-40e6-bd83-8b3f65325f37%40googlegroups.com.
