Inside a Sram wheel, maybe Zipp also?

Discuss light weight issues concerning road bikes & parts.
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TobinHatesYou
Posts: 4170
Joined: Mon Jul 24, 2017 12:02 pm

by TobinHatesYou

It’s an inflation bladder. Almost all carbon wheels and frames have bits of this left over from the molding/curing process.

TobinHatesYou
Posts: 4170
Joined: Mon Jul 24, 2017 12:02 pm

by TobinHatesYou

Your wheel is half plastic already. How much do the extracted bits of bladder weigh? I bet most wheels have significant sections of bladder remaining inside. The only exception I can think of is Enve since they cut out a section to pull the bladder and then patch it.

by Weenie


beanbiken
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Location: Great Southern Land

by beanbiken

TobinHatesYou wrote:
Fri Sep 21, 2018 2:06 am
Your wheel is half plastic already. How much do the extracted bits of bladder weigh? I bet most wheels have significant sections of bladder remaining inside. The only exception I can think of is Enve since they cut out a section to pull the bladder and then patch it.
Yes, I probably prefer the bits of bladder to be left alone rather than the cut/patch idea. My Corima's have a foam core so maybe they wouldn't require the use of a baldder? Not going to look though as there are no spoke holes anyway :roll:

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TobinHatesYou
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Joined: Mon Jul 24, 2017 12:02 pm

by TobinHatesYou

Indeed, the patch on ENVE rim beds can be annoying. For those of us running tubeless, the patch and resin pooling at the edges creates an uneven surface for rim tapes. They also make it difficult for the bead to seat in that area.

velov
Posts: 80
Joined: Fri Apr 20, 2018 9:09 am

by velov

Have you seen videos of Luescher Teknik cut up high end carbon frames and components? It's a very sobering picture of the overpriced world of carbon cycling products.

jlok
Posts: 1058
Joined: Tue Jun 30, 2015 3:30 am

by jlok

TobinHatesYou wrote:
Fri Sep 21, 2018 3:23 am
Indeed, the patch on ENVE rim beds can be annoying. For those of us running tubeless, the patch and resin pooling at the edges creates an uneven surface for rim tapes. They also make it difficult for the bead to seat in that area.
Thanks for that. You just reminded me how difficult my first gen SES 3.4 Disc was to setup tubeless b'cos of the patch.
Litespeed T1sl Disc / BMC TM02 < Giant Propel Advanced SL Disc 1 < Propel Adv < TCR Adv SL Disc < KTM Revelator Sky < CAAD 12 Disc < Domane S Disc < Alize < CAAD 10

by Weenie


robertbb
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Joined: Thu Jul 23, 2009 3:35 am
Location: Melbourne, Australia

by robertbb

velov wrote:
Fri Sep 21, 2018 3:36 am
Have you seen videos of Luescher Teknik cut up high end carbon frames and components? It's a very sobering picture of the overpriced world of carbon cycling products.
And almost no rhyme or reason as to whether your expensive branded parts are produced or finished any better than cheap ones. Check out the Enve vs Generic rim cut-up video!

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