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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 07-15-09, 11:42 AM   #1
mack_turtle
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DIY freehub spacers?

i am converting an old GT mtb so a SS trail bike and i need to put some spacers on the Shimano freehub to line up the cog. i have heard of some people using PVC pipes as spacers or harvesting a bunch of spacers from old cassettes but i cannot find enough old cassette spacers at the LBS. i am trying to not spend any money on this bike if possible, so what can i use as a spacer that would be cheaper than buying a SS conversion kit?

if the PVC route works, what size inner-diameter pipe would work? i can take it to the hardware store to find out, but i would rather call ahead to see if they have any scraps of the size i need.
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Old 07-15-09, 11:50 AM   #2
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You could leave the cassette and only use one cog.
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Old 07-15-09, 12:02 PM   #3
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i could, but the chain alignment would be horrible! i also want to forgo the unneeded weight of all those cogs if possible. plastic spacers weigh a lot less than six unused cassette cogs.
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Old 07-15-09, 12:07 PM   #4
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Measure freehub diameter, go to the hardware store, find chunk of pipe with ID that best fits, buy a foot, cut to fit/align, done.
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