Riser clamp bolt torque spec

It's not a fastener that requires a critical tightness like an engine bolt. Just snug it up tight enough so the bars don't rotate under forward or rearward pressure and you're good.
 
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It's not a critical fastener. Just snug it up tight enough so the bars don't rotate under forward or rearward pressure and you're good.
Every bolt has a design torque based upon thread size and bolt material composition, "by gosh and by golly" is not why they make torque wrenches.
Not a critical fastener? If it breaks your handlebars fall off, nothing critical about that.



It is all covered here. Just click.
fatigue failure equation

any questions.
 
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19nm it shall be, maximum force is determined by the strength of the of the clamping block, not of that the bolt itself.
Over tightening could fracture the clamping block, thus torque wrench definitely required.
 
Great thank you. I just bought my bike and have not ordered a service manual yet. Where did you get this from?
That is not a service manual. Is just the Installation Instruction for an accessory, the Roland Sands “Handlebar clamping block top” Maybe You could use it for reference
 
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