bosch activeline chainring lockring loose

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miklekrs

Active Member
hi, the lockring came loose on the chainring on my trek marlin8+, wonder if this is common? the lockring says 30nm on it, is that enough? or is it ok to go 35nm maybe?
 

SteveH80

Well-Known Member
If the designed limit is 30Nm don't go higher. Any 'nut and bolt' type fastening is basically a spring and you'll remember that elastic limit experiment from school.
That's not to say your torque wrench isn't inaccurate, it might be worth checking with another.
 
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