Rim tape crossing bead, tubeless
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Rim tape crossing bead, tubeless
Postby Jmuzz » Fri May 25, 2018 2:37 pm
Will this cause failure to seal or worse could cause risk of tyre coming off rim due to being slippery and introducing a ridge?
Have already emailed c r c for their assessment, but want to know what others think too.
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Re: Rim tape crossing bead, tubeless
Postby queequeg » Fri May 25, 2018 3:15 pm
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Re: Rim tape crossing bead, tubeless
Postby RonK » Fri May 25, 2018 4:35 pm
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Re: Rim tape crossing bead, tubeless
Postby BugsBunny » Fri May 25, 2018 6:23 pm
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Re: Rim tape crossing bead, tubeless
Postby skyblot » Fri May 25, 2018 8:27 pm
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Re: Rim tape crossing bead, tubeless
Postby queequeg » Fri May 25, 2018 10:48 pm
The extra width is to account for the fact that the tape goes down into the centre well of the rim. There should be no tape going up the sides of the rim at all.skyblot wrote:The instructions for Stans tubeless kits specifies tape 1 to 2 mm wider than the internal width of the rim. The tape would normally cover the bead seat in that case. The tape should not go up the sidewall though.
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Re: Rim tape crossing bead, tubeless
Postby skyblot » Sat May 26, 2018 10:52 am
Photo from Stans video for installing tape on MTB rim. Similar video https://www.youtube.com/watch?time_cont ... 2VgxLiWno8 for doing their ZTR road rims.
Also from Stans FAQ page: "The widths of our tape are selected with our rims in mind. Generally, we recommend tape that is 1-2mm wider than the internal width of your rim to account for the drop channel."
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Re: Rim tape crossing bead, tubeless
Postby Trevtassie » Sun May 27, 2018 10:54 am
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Re: Rim tape crossing bead, tubeless
Postby Nate » Mon May 28, 2018 12:58 pm
I normally add a little contact adhesive between spoke holes, just a drop to help keep it perfectly in place.
The Velox cloth tape is great & is tacky like a sticky pad note.
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Re: Rim tape crossing bead, tubeless
Postby RonK » Mon May 28, 2018 4:20 pm
But no good for use with tubeless setups as is the case here.Nate wrote:The Velox cloth tape is great & is tacky like a sticky pad note.
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Re: Rim tape crossing bead, tubeless
Postby Jmuzz » Mon May 28, 2018 5:33 pm
Slow reply time for them.
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Re: Rim tape crossing bead, tubeless
Postby Jmuzz » Tue May 29, 2018 11:08 am
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Re: Rim tape crossing bead, tubeless
Postby Jmuzz » Wed May 30, 2018 12:11 pm
They seated with normal pump like there was a tube in there, even down in the channel they formed a low pressure airtight seal. It seals right down to a very tight fit against the rim bottom once the tyre expands out of the channel.
A bit tricky to get on until you know where to apply pressure, get it in the channel as usual but then you do still need some force to squish the soft sealing rubber on the bead down.
The good wheels tyre does have a pinhole leak in sidewall, which isn't confidence inspiring.
I assume it will seal up once sealant added, but that's still pretty dodgy and a worry. Gone a bit too far with the weight reduction.
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Re: Rim tape crossing bead, tubeless
Postby skyblot » Wed May 30, 2018 9:35 pm
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