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Seatpost Bolt Broke
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05-12-11, 05:38 AM
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jeepr
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It is definitely more difficult to break hardened bolts. I don't know what grade 12.8 is, are you in a country other than the US? If I couldn't get a seat post bolt, I would use a grade 8 bolt or better would be Stainless 18-8.
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