I took all my 7 speed stuff off my old bike to turn it into a fixed-gear because it has horizontal drop-outs.
Now I want to put all those 7-speed parts on my new Jamis Aurora frame, bit it doesn't have down-tube shifter bosses, so my original downtube shift levers won't fit. So I'm thinking I could use bar-ends, but I can't find Shimano 7-speed indexed bar-end shifters anywhere.
Please reply to JohnSwanStone --((AT))-- hotmail --((DOT))-- com
b.t.w. I really, really, really want to stay with indexed shifters.
In article <72z3e.2721$hg.1345@news01.roc.ny>, jack@sprat.com says...> I took all my 7 speed stuff off my old bike to turn it into a fixed-gear > because it has horizontal drop-outs.>
Now I want to put all those 7-speed parts on my new Jamis Aurora frame, > bit it doesn't have down-tube shifter bosses, so my original downtube > shift levers won't fit. So I'm thinking I could use bar-ends, but I
How about a clamp-on downtube shifter mount? This should be easy to find on an older (mid-80's) road bike.
On Sat, 02 Apr 2005 15:40:51 GMT, jack sprat <jack@sprat.com> wrote:
I took all my 7 speed stuff off my old bike to turn it into a fixed-gear >because it has horizontal drop-outs.>
Now I want to put all those 7-speed parts on my new Jamis Aurora frame, >bit it doesn't have down-tube shifter bosses, so my original downtube >shift levers won't fit. So I'm thinking I could use bar-ends, but I >can't find Shimano 7-speed indexed bar-end shifters anywhere.>
Please reply to JohnSwanStone --((AT))-- hotmail --((DOT))-- com>
b.t.w. I really, really, really want to stay with indexed shifters.
Unless I'm mistaken the 8s are said to work just fine. Haven't tried them myself but was planning to during a previous round of upgrade.
"RonSonic" <ronsonic@tampabay.rr.com> wrote in message news:oag251ppbv06nr36iamd86sf25fl5d722p@4ax.com...> On Sat, 02 Apr 2005 15:40:51 GMT, jack sprat <jack@sprat.com> wrote:>
I took all my 7 speed stuff off my old bike to turn it into a fixed-gear>>because it has horizontal drop-outs.>>
Now I want to put all those 7-speed parts on my new Jamis Aurora frame,>>bit it doesn't have down-tube shifter bosses, so my original downtube>>shift levers won't fit. So I'm thinking I could use bar-ends, but I>>can't find Shimano 7-speed indexed bar-end shifters anywhere.>>
Please reply to JohnSwanStone --((AT))-- hotmail --((DOT))-- com>>
b.t.w. I really, really, really want to stay with indexed shifters.>
Unless I'm mistaken the 8s are said to work just fine. Haven't tried them > myself> but was planning to during a previous round of upgrade.
You'd have to check with Sheldon Brown to make sure but I believe that you could use the 9-speed shifters and just use the outside of the derailleur cable bolt and it will work as well. Or you could space the freewheel closer.
And here's a little trick - Shimano 7-speed spacing turns out to be nearly the same as early Campy 8-speed. Consequently you can use early Campy 8-speed Ego Shifters and rear derailleur to shift your Shimano rear cogs. I've done that on my Colnago Super. It's a little touchy that the spacing be exactly even on the cogs but it works fine.
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