Answer Carbon Expert Bar Failure??
#1
Thread Starter
Newbie
Joined: Sep 2011
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Answer Carbon Expert Bar Failure??
Just bought new set of Answer Carbon EXPERT bars for my son's 20" bmx bike. The torque spec is 50 ft. lbs, we cant even come close to recommendation...... without them being crushed. Has anyone else had problems with the bars not staying tight??
#4
Senior Member


Joined: Apr 2007
Posts: 4,129
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From: Munising, Michigan, USA
Bikes: Priority 600, Priority Continuum, Devinci Dexter
Has to be some inch/foot confusion going on in the original post. 50 inch-pounds works out to 5.6 Newton-meters, which is about right for stem bolts. The OP probably misread inch-pounds as foot-pounds.
#5
Yeah. I Race.
Joined: Jan 2007
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From: Northeastern PA
Bikes: Custom Race, 2007 GT Bump, 2007 Gt Powerseries Pro, Dyno VFR
I've never actually read torque specs for bike stuff. I just tighten it until it holds. But I guess with carbon bars (eeek) I would.
#6
Senior Member


Joined: Apr 2007
Posts: 4,129
Likes: 56
From: Munising, Michigan, USA
Bikes: Priority 600, Priority Continuum, Devinci Dexter
With carbon and thin aluminum parts that are safety critical, I like to have specs so that I can stay within them. (I don't always torque to the maximum). If I don't have specs available for, say, a stem faceplate, then I'll use a torque wrench anyway just to ensure that all four bolts are evenly tight.
#7
For those of you gear junkies, there is a cool site to see broken and busted carbon bikes and parts. Cool pics.
https://www.bustedcarbon.com/
https://www.bustedcarbon.com/





