#61
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For Zipp, Enve, and Bontrager I couldn't find a manual for any of their carbon bars that stipulates any torque value for shifter attachment. For Ritchey, it refers to no more than 5 Nm for stem faceplates, but isn't clear if the 5 Nm also refers to shifters. Interestingly, Canyon indicates 6-8 Nm for Shimano, but 10Nm for Campy. Curious why this would be? FSA indicates 6Nm on their carbon road bar. All in all, maybe not a given that that torque wrench helps a lot if the bar makers don't indicate themselves? |
#62
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I use alloy bars, when I tape the bars, I don't cover the clamp so I can see the bars. I had a bad experience with a set of Drop-ins that corroded around the clamp when I was stationed in VA Beach. The right side snapped at the shifter while I was in the drops. I swerved to the right and luckily a Team Six guy in our group stiff-armed me back upright. Otherwise, I might have swept the front of the group.
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#63
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#64
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That’s not a problem with the handlebar, but operator failure plain and simple.
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#65
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Yeah, and since the UCI is banning the supertuck, Mathieu's just looking for a new way to be more aero.
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It's not an adventure until something goes wrong. - Yvon C. |
#66
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So where were we? What do you do with your torque wrench? |
#67
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Forgive me for posting dumb stuff. Chris Little Rock, AR |
#68
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Do Shimano and Campagnolo use different bolt sizes on their lever clamps? For the same torque, larger bolts typically generate less clamping force, so a higher torque would make sense if Campagnolo used larger diameter bolts.
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#69
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Looking at the photos, do you notice how he set up the levers to be twisted inwards? (look at the non-broken side, or other race photos)
All the force is put inside the bars, in a twisting force. It's not directly over the bars, as normally would be with a normal, in-line lever mounting. IOW, every time he puts weight on the hoods, he is twisting the bars at the lever mount, not putting weight straight down on it. Maybe a combination of this, bad clamp design, and other factors. https://www.cyclingnews.com/news/mat...-samyn-finale/ |
#70
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Apparently the problem is with canyons proprietary bar and clamp design and now canyon is telling people to stop riding their bikes until they come up with a fix.
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#71
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Greg |
#72
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The seat post has problems as well: Quote:
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#73
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#74
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Yes if it's actually a safety thing. Those can get very expensive It's a manufacturers don't address it right away. Manufacturers tend to deflect blame if it's just a performance issue, like a dropped chain.
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Instagram - DannAdore Bicycles |
#75
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warranty replacement/recall is far cheaper than a class action lawsuit or hundreds of medical lawsuits, possible wrongful deaths, and ensuing publicity.
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