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  1. #1
    Senior Member
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    sand paper or metal scraper?

    I just got my book that I ordered through Amazon titled, "Zinn and the Art of Mountain Bike Maintenance" by Lennard Zinn, for ~ $16.50 (free shipping).

    I started to read it from the beginning. I'm in the chapter on tools, level 1. One of the items that he recommends, but doesn't explain why is that for a patch kit, he prefers one w/ sand paper instead of a metal scraper.

    Does anyone know why he would say so? How about you? Have you found a difference in the ease of patching a tire (and it not exploding or losing the patch) with either material?
    -- Ron
    1. 2008 Giant FCR3 [hybrid; main bike]
    2. Schwinn World Sport 4130 [mixte road bike; red]
    3. year ?? Specialized RockHopper Comp (18-spd mtn bike; all Shimano Deore parts)

  2. #2
    Senior Member
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    The metal scraper I tried in the past was not real good at wearing down the mold line of the tube. I haven't tried it yet but I thought sand paper would be better at that step, so if you have to patch a hole near the mold line it would be more likely to hold.

  3. #3
    Senior Member
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    also the best thing to scrape an inner tube is one of those foot scrapers for callouses.

  4. #4
    I like my car ShadowGray's Avatar
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    just use an rotational axle grinder.
    [SIGPIC][/SIGPIC]

    Drexel University 2012
    Electrical Engineering

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