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Repair on a stripped rear shock mount / bolt

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    Repair on a stripped rear shock mount / bolt

    I recently had some success repairing a shock absorber mounting bolt that had its threads worn almost smooth by the shock absorber. I noticed that posters to this board had repaired this problem by removing the old worn bolt and welding a replacement onto the frame. Since I had my hands full doing other repairs to the bike I decided to try to re-cut the threads on the existing mount. I used a 3/8”-24 die, which is just slightly smaller than the stock bolt, to carefully recut the threads, removing a fair amount of metal in the process. The end result was clean new threads that matched up perfectly with a standard (non-metric) 3/8-24” acorn nut. While I was able to tighten it, I didn’t want to apply too much torque to the nut so I used some locktite to ensure that the nut was secure. So far it has held and my guess is that it will continue to hold for the life of the bike. It was easier than cutting welding, that’s for sure.

    Jeff
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