's Forum Archives - General

Archive Home >> General(1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 )

Handlebar has imprint from stem clamp - is it OK?(6 posts)

Handlebar has imprint from stem clamp - is it OK?Fez
Jan 26, 2003 8:12 AM
I was changing stems and noticed that the old stem (threadless 3T Forgie) left a few imprints on the center of the handlebar. I wouldn't call these dents, they are imprints that are about a millimeter or so deep.

Normal and not to worrry, or is this a classic sign of overtightening the stem bolts and crushing the handlebar and must I replace the handlebar?
probably OK...Akirasho
Jan 26, 2003 9:00 AM
... the center bulge of virtually all handlebars is where a great deal of the weight and strength lie... just keep and eye on things as you do your once overs...

Be the bike.
So, you wanna risk a faceplant?CT1 Guy
Jan 26, 2003 9:37 AM
This is the most stressed part of the bar and any indentation is gonna cause a stress-raiser leading to premature and most probably catastrophic failure - when you're riding it! I'd ditch the bar and maybe invest in a torque wrench to make sure you don't over-tighten the next time. You might get some tell-tale creaking beforehand - but once a crack starts - and you won't see it, the bar will snap pretty quick afterwards.
1 mm indentation is huge in my book...biknben
Jan 26, 2003 9:53 AM
I'd ditch the bars. Buy new ones and ride with confidence.
25.8(or .4) stem on 26.0mm bars? Watch your fit next time? nmSpunout
Jan 26, 2003 11:42 AM
Very shakey groundKerry Irons
Jan 26, 2003 7:23 PM
I've never seen a bar with that kind of "impression" from the stem. Usually the MOST you see is a scuff or scratch. The impressions you describe are on the same order as the thickness of the bar. If it is as described (caused by the stem?) then you have to question the size match and the amount of torque applied. Methinks a new bar is in order.