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Old 05-10-12, 03:49 PM   #1
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Lock Washers?

I pulled a wheel last night at the track in the beginning of a practice Team TT. My bike and Wheelset (Jamis Sonik - AC420's) came with those serrated (if that's the proper term as opposed to flat) lock washers. I want to replace the washers even if for no other reason than to restore confidence. Should I replace them with the same style or something different (i.e flat?) to best minimize the chances of a repeat? What do the Professionals use?
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Old 05-11-12, 10:23 AM   #2
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You need a good hex wrench to properly torque down those bolts. It should be OK if torqued properly. Maybe you were using a wrench with too small of a lever arm?

(Make sure to retorque those crank arms too, they seem to loosen).
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Old 05-13-12, 11:04 AM   #3
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Also, you may have to use a chain tensioner if you are one that produces a lot of torque and your dropouts have steel faces on them. The steel of the wheel nut and the steel of the dropout slide against each other.
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Old 05-14-12, 05:57 PM   #4
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Am Classic

if you have the "old style" serrated washers, junk them for the new ones.(Shook integrated bolt system)

plus, dissimilar metals tend to stay together under pressure.(brass washer)

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