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New GP5000 S TR coming soon

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New GP5000 S TR coming soon

Old 09-30-21, 02:47 PM
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smashndash
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New GP5000 S TR coming soon

https://cyclingtips.com/2021/09/spot...re-at-roubaix/

Hold off on buying new tires, especially if you use hookless rims. If Ineos is willing to use them, it might be a significant jump.
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Old 09-30-21, 03:37 PM
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Cool. I went hookless knowing full well that the GP5K TL was off limits, and I was okay with that, but maybe I'll try these if the price is right.

Unfortunately, this thread'll be like a siren song to those that know just enough about hookless to kvetch while making themselves look dumb and wasting a bunch of time.
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Old 09-30-21, 10:23 PM
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Originally Posted by WhyFi View Post
Cool. I went hookless knowing full well that the GP5K TL was off limits, and I was okay with that, but maybe I'll try these if the price is right.

Unfortunately, this thread'll be like a siren song to those that know just enough about hookless to kvetch while making themselves look dumb and wasting a bunch of time.
Iíll jump in on that! Will my Light Bicycle AR46 rims work with these? I currently have gp5000 tlís on them, Iíve never actually even thought of compatibility, if the tire is tubeless compatible Iíve always used themÖ
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Old 09-30-21, 10:44 PM
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from what I read in another story, they are hooked and hookless compatible so you should be ok
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Old 10-01-21, 05:02 AM
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Originally Posted by robbyville View Post
Iíll jump in on that! Will my Light Bicycle AR46 rims work with these? I currently have gp5000 tlís on them, Iíve never actually even thought of compatibility, if the tire is tubeless compatible Iíve always used themÖ
Yeah, they'll work fine. Tires that are hookless compatible also work with hooked tubeless rims.
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Old 10-01-21, 06:35 AM
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Originally Posted by WhyFi View Post
Yeah, they'll work fine. Tires that are hookless compatible also work with hooked tubeless rims.
thanks!

just found some of the Schwalbe Addix which I think you once recommended but $81ea so think Iíll wait a bit!
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Old 10-01-21, 06:44 AM
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Originally Posted by robbyville View Post
thanks!

just found some of the Schwalbe Addix which I think you once recommended but $81ea so think Iíll wait a bit!
Ouch. Yes, they are great tires, but I think that I picked those up at ~$40-45 ea. A lot of the upper tier tubeless tires are getting up there in price (which is why I stocked up a bit in the late winter), but Continental seems to have enough availability that their prices don't rollercoaster as much. If these new TRs are regularly available in the $50 range, they'll be a nice option.
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Old 10-01-21, 08:07 AM
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It also seems like it'll be considerably lighter than the original 5000 TL, probably omitting the butyl liner and relying more on the sealant for air retention. Correct move, if it's indeed the case.
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Old 10-03-21, 06:34 PM
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Good timing. My new Zipp 303s should be arriving in a few weeks. I love the GP5000 TL on my hooked rims and was debating which other tire I get instead. I was going to try Perelli P Zero TLR, but if I can get my hands on some new GP5000 S by then, I'll probably just go with those instead.
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Old 10-04-21, 08:53 AM
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Around 50g lighter per tire, and apparently it's easier to mount. Cool.
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Old 10-04-21, 09:42 AM
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These tires were ridden to victory in yesterday's Paris Roubaix:
​​​​​​https://www.bikeradar.com/news/conti...rix-5000-s-tr/
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Old 10-04-21, 09:46 AM
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Originally Posted by alcjphil View Post
These tires were ridden to victory in yesterday's Paris Roubaix:
​​​​​​https://www.bikeradar.com/news/conti...rix-5000-s-tr/
**** me - I never got the hype of the GP4k II (it was fine, but the hype was in orbit), but this is sounding nice. Also available in tan sidewalls, so now I'll really have to get a set.
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Old 10-04-21, 09:47 AM
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Originally Posted by Rodrigo Kenobi View Post
Around 50g lighter per tire, and apparently it's easier to mount. Cool.
Sweet! My GP 5000 TL rear tire is getting real close to showing it's casing... I hope it holds-out until these new TR tires are actually available to the general public.
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Old 10-04-21, 11:59 AM
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Paris Roubaix ended up being a very big weekend for tubeless, hookless setups. I saw many photos of riders - both men and women - on hookless carbon wheels like Zipp 303s and 303 Firecrest running these tires.
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Old 10-04-21, 03:21 PM
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I don't recall 30mm being an option for the TL, only 28 and 32mm? Looks like tan and black sidewall options for all sizes:
https://www.continental-tires.com/bi...prix-5000-s-tr

MSRP = $100/ea, which is a lot.
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Old 10-04-21, 03:28 PM
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Originally Posted by msu2001la View Post
I don't recall 30mm being an option for the TL, only 28 and 32mm? Looks like tan and black sidewall options for all sizes:
https://www.continental-tires.com/bi...prix-5000-s-tr

MSRP = $100/ea, which is a lot.
Isn't MSRP for the 5kTL ~$80? That seems to be par for the course for upper end TL and I seem to recall seeing them at ~$40 recently, which isn't bad, 'specially considering pricing in the current environment. So yeah, $100 is a bit much, but I would hope to see a ~$50 street price.
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Old 10-04-21, 03:28 PM
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I know I'm definitely getting sucked into some confirmation bias but I did not like what I saw at paris-roubaix. Groupama and movistar were sliding all over the place. The groupama train lowsided and took out the peloton while the jumbo train (on vittoria) had no problems on the inside line. Van Vleuten ended up locking up her brakes and went down hard enough to break her hip in 2 places and break her shoulder. That kind of impact is more likely to happen with slippery tires/surfaces. The velon.cc on-bike highlights showed 2 movistar guys just dumping out of nowhere. Drops-Le Col (on conti) seemed to have multiple crashes.

Moscon was obviously unable to keep the bike in a straight line and a slippery tire doesn't help with that but considering that Colbrelli (and half the peloton) was on the same tire, we can safely say the pressure was the main issue.

I'm not convinced that the GP5000 can hang with corsas in the turns. Especially in the wet. I think if there's a significant difference, we'll start to see a pattern emerge. Corsas test something like 10W slower on steel drums but they're still somehow a favorite in the world tour (and for amateurs). I think the difference in grip could explain why.

Really wish we could see objective grip tests.

Also, the 25mm size is apparently not approved for 23i rims. Which is what Zipp optimizes for on their 303S, 404 and 454. Not to mention Bontrager RSL and LB 56. Probably more to come. It's an odd restriction.
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Old 10-04-21, 03:32 PM
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Originally Posted by smashndash View Post
Also, the 25mm size is apparently not approved for 23i rims. Which is what Zipp optimizes for on their 303S, 404 and 454.
The 303S is optimized for 28mm tires. Can't speak to the others.
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Old 10-04-21, 03:49 PM
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Originally Posted by WhyFi View Post
Isn't MSRP for the 5kTL ~$80? That seems to be par for the course for upper end TL and I seem to recall seeing them at ~$40 recently, which isn't bad, 'specially considering pricing in the current environment. So yeah, $100 is a bit much, but I would hope to see a ~$50 street price.
Probably. I just checked and it looks like I paid $106 for a pair of GP 5000 TL's last summer, so yes... well below MSRP. I'll probably end up paying through the nose for the S TR just because I'll need tires soon and I'm sure sellers will be charging full price until the hype dies down.
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Old 10-04-21, 03:57 PM
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Originally Posted by msu2001la View Post
Probably. I just checked and it looks like I paid $106 for a pair of GP 5000 TL's last summer, so yes... well below MSRP. I'll probably end up paying through the nose for the S TR just because I'll need tires soon and I'm sure sellers will be charging full price until the hype dies down.
If you end up going that route, let us know. In particular, I'd to hear if they stay bead-locked on the 303S. If not, I'm not going to bother.
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Old 10-04-21, 03:59 PM
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Originally Posted by WhyFi View Post
The 303S is optimized for 28mm tires. Can't speak to the others.
The 303 Firecrest is 2mm wider than the 303S and has a minimum tire size requirement (and optimized tire size) of 28mm.
404 and 454 have the same width as the 303S (23mm internal), but Zipp says they are optimized for 25mm.
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Old 10-04-21, 04:15 PM
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Originally Posted by WhyFi View Post
The 303S is optimized for 28mm tires. Can't speak to the others.
Originally Posted by msu2001la View Post
The 303 Firecrest is 2mm wider than the 303S and has a minimum tire size requirement (and optimized tire size) of 28mm.
404 and 454 have the same width as the 303S (23mm internal), but Zipp says they are optimized for 25mm.
Right seems like I made a hasty assumption. interesting how 2 rims of the same width are optimal for different tire sizes. Or maybe the 303S is more aero with 25s but they simply didn't test them because it's intended to be a gravel wheel.
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Old 10-04-21, 04:21 PM
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Originally Posted by smashndash View Post
Right seems like I made a hasty assumption. interesting how 2 rims of the same width are optimal for different tire sizes. Or maybe the 303S is more aero with 25s but they simply didn't test them because it's intended to be a gravel wheel.
I'm not sure about that. It seems like there's little advantage for them to say it's aero with 28mm if it's actually more aero with 25mm. No one is riding either size on gravel.
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Old 10-04-21, 04:25 PM
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Originally Posted by msu2001la View Post
The 303 Firecrest is 2mm wider than the 303S and has a minimum tire size requirement (and optimized tire size) of 28mm.
404 and 454 have the same width as the 303S (23mm internal), but Zipp says they are optimized for 25mm.
Zipp says what is optimized for 25mm?

Per 303S description on sram's site: "The key innovation is in the 303 S Seriesí rim design. Its 45mm rim depth is the same as its predecessor, the 302 Disc brake. But its rim width is 2mm wider, at 27mm, and its tire bed is a full 7mm wider, at 23mm. That rim platform is designed to be the fastest with a 28mm tire."

I didn't see any ad copy on the 404 page that has any similar language.

I believe the issue is ETRTO. An inflated 25mm tire on a wide rim would probably be about ideal (105% rule) inflated width from aero perspective on a 27mm width external rim. However, ETRTO is going to hamstring manufacturers by indicating that for a 23c rim, the minimum width tire you're "allowed" to run is a 28mm. For a hookless rim, to bring the internal width down to 21mm minimum (says ETRTO), but keeping the 27mm external, they'd need a thicker bead wall.
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Old 10-04-21, 04:27 PM
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Originally Posted by msu2001la View Post
I'm not sure about that. It seems like there's little advantage for them to say it's aero with 28mm if it's actually more aero with 25mm. No one is riding either size on gravel.
"optimized for 28" does not inherently mean "slower with 25". It simply means they use a 28mm tire as a reference when tuning the shape. Narrower tires tend to dominate wider ones in aero tests. Ie anything that is optimal for 28s will be even better (or at least extremely similar) for 25s.
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