Thread: Button Bolt vs Allen Head on Stem
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Old 02-01-21 | 07:08 AM
  #6  
Bike tinker man
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Joined: Dec 2014
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From: Retired to Penang Malaysia originally from UK

Bikes: My 1978 Raleigh from new, 1995 Trek, & constant changing & rebuilding of other bike projects.

I've seen it mentioned on another write up about dating bikes, that the Allen head bolts did not start showing up till around 1980, unfortunately I cannot find the article, others may have better filing system. If its NOS remake then its I guess purely costing
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