Handlebar won't stay tight
#26
Senior Member
https://www.bikeforums.net/g/user/570550
Are there serrations or some kind of knurling on the center area of the bars?
What type of metal are the parts made out of?
I have a feeling that as an adult reliving his childhood, you're pushing the parts far beyond their design specs.
A steel stem might just grip the bars along the edges of a clamp, while an aluminum stem may grip the whole width of the clamp.
#28
Senior Member
Join Date: Aug 2006
Location: Valley Forge: Birthplace of Freedom
Posts: 1,305
Bikes: Novara Safari, CAAD9, WABI Classic, WABI Thunder
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I had the same problem. Someone suggested puting a piece or two of aluminum foil as a shim. I crinkled it first, then flattened. It worked well.
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Be watchful, stand firm in the faith, act like men, be strong. Let all that you do be done in love.