Bike Forums - View Single Post - Handlebar slippage after 5 months... Why?

11-24-11 | 07:27 AM

#3

giantcfr1

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Joined: May 2005

Posts: 4,555

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From: Gold Coast; Australia

Bikes: 2004 ORBEA Mitis2 Plus Carbon, 2007 Cannondale Bad Boy Si Disc, 2012 Trek Gary Fisher Collection Marlin WSD 29er Aldi Big Box (Polygon) 650b

Quote:

Originally Posted by Campag4life

Could be a lot of things. I ride the same bar...no slippage. Did you use a torque wrench? How many bar clamp bolts does your stem have?
Slippery stem clamps is generally the issue. Some #320 wet paper around the bar interface on the stem clamp ID will increase friction/retention for same stem clamp torque. Do NOT overtorque the bolts. The K-wing has a stout abrasive surface at the stem clamp interface that shouldn't slip.
Personally I keep my bikes inside but that's another discussion.

The stem has 4 bolts but the shop didn't use a torque wrench. Maybe they simply didn't tighten the bolts due to the carbon compond paste they used. Thanks for your info. If it slips again I'll get to the stem with the wet paper.

The bike is outside because it's my commuter and there is simply no space inside. (Japanese house) My "good" bike is inside.

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