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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 08-12-07, 05:43 PM   #1
Sizzle-Chest
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using a spoke to set derailer on SS

some guy once told me that he uses a short piece of a spoke instead of cable to set the rear derailer to a fixed position so that he can have chain tension with verticle dropouts on his single speed. i don't know how to describe it any better, but he basically uses a spoke in the rear derailer where the cable would usually go, which eliminates having to run cable up to a useless shifter to hold tension. has anyone heard of this or know how it's done?
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Old 08-12-07, 05:59 PM   #2
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once again i have answered my own question but i cannot delete my own post! so, for anyone interested in a homebrew single speed chain tensioner, here you go. i had to find the right derailer, but it works pretty slick to just slip a spoke through and clamp it down.

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Old 08-12-07, 06:19 PM   #3
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you don't need a useless shifter if you use a piece of cable.
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Old 08-12-07, 07:05 PM   #4
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i tried and it didn't work because your keeping the tension out not in, so a cable in place of the spoke just bends while a spoke is rigid enough to keep the derailer pushed out.
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Old 08-12-07, 07:18 PM   #5
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(i think he meant if you use a cable then you have a functioning shifter instead)
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Old 08-12-07, 07:20 PM   #6
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last i checked you don't need a shifter on a single speed
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Old 08-12-07, 07:29 PM   #7
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can't you just get screws to set the hi-low in the gear you wan't, i'm quite possibly wrong but i belive thats how a buddy did it a few years back
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