The Street > The Bike Shop
Quick Questions
GUMP_:
--- Quote from: Professor Horatio Hufnagel on March 24, 2015, 04:05:07 AM ---'07 and newer yes
--- End quote ---
Cool. I may have found a way around my 9/16 homer bolt issue.
Narcoleptic Insomniac:
About how tight is 4 nm?
I just got a Thomson stem for my big bike and I don't want to tighten it down caveman style like we do with bmx stems and end up breaking it.
master:
--- Quote from: Narcoleptic Insomniac on March 27, 2015, 11:58:00 AM ---About how tight is 4 nm?
I just got a Thomson stem for my big bike and I don't want to tighten it down caveman style like we do with bmx stems and end up breaking it.
--- End quote ---
Not tight at all. If you have an L-key Allen wrench, use it opposite of normal- stick the long side into the bolt and use the short side to turn with your hand.
Narcoleptic Insomniac:
Thanks, I'll do that. It's crazy that that's enough to hold the bars in place.
G:
4Nm isnt much but its more than you could realistically do with a reversed allen key by hand.
4Nm is 4N at 1m leverage.
Measure allen key in mm (length), see how many times this goes into 1000, multiply 4N by this number. Divide by 10 to get a load in Kgf, then use a spring balance on the end of the allen key to pull with that force...
So if your allen key is 100mm long then you want 40N at the end of it, which is like 4kgs.
:)
G.
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