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kgt
Posts: 6917
Joined: Sun Jun 18, 2006 10:29 am
Location: Athens, Greece

by kgt

Calnago it's not a stiff wheel that can cause a problem but less stiff hubs and spokes:

http://www.slowtwitch.com/Tech/Debunkin ... _3449.html.

Here is a wheel stiffness comparative test (older but still indicative). See lateral stiffness numbers (related to brake rub). LW is way better:

https://www.roadbike.de/laufraeder/test ... 8464.9.htm

by Weenie


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Calnago
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Joined: Sun Nov 07, 2010 9:14 pm

by Calnago

Ok... I'll accept that. And yes, those links are the theoretical discussions I was referring to. So the Boras need the brake pads open a bit more than the Lightweights due to the fact that they are more "lightly" spoked so to speak, not necessarily because there's a difference in stiffness in the rim itself. I did go back and have a look at that reviewers video once again and he does call out "rim" stiffness as opposed to "wheel" stiffness, so that makes more sense now. My bad.

I wonder if the reviewer ever stopped to give his brakes a turn or two to try to eliminate the brake rub he was experiencing. That would have been the first thing I would have done, before going on a video saying there was brake rub. I would only call that out on a video if I couldn't actually eliminate the brake rub. I don't think it's fair to call that stuff out, if the only reason it's happening is because it's not set up properly. He's basically implying that it's the wheels fault, when in fact maybe the brakes just needed to be let out a bit more for those particular wheels, in exactly the same way I have to let out the brakes for the Boras vs a set of Lightweights.

I will get a chance to test out the AKTIV fork on a Skylon very soon. I don't think it's the same fork as on the Alpe d'Huez bike due to it's weight, but it incorporates the same basic technology. Looking forward to it. It's the heaviest road fork I've ever come across by a large margin, so I would expect it to have quite a damping effect for that reason alone. And that's not necessarily a bad thing.
Colnago C64 - The Naked Build; Colnago C60 - PR99; Trek Koppenberg - Where Emonda and Domane Meet;
Unlinked Builds (searchable): Colnago C59 - 5 Years Later; Trek Emonda SL Campagnolo SR; Special Colnago EPQ

AJS914
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Joined: Tue Jan 28, 2014 6:52 pm

by AJS914

Bikeradar did a test. Too bad they didn't include an aluminum rim to compare to:

https://www.bikeradar.com/us/road/gear/ ... ame-49344/

AJS914
Posts: 2199
Joined: Tue Jan 28, 2014 6:52 pm

by AJS914

I think it's dumb when reviewers point out things like the gears not working correctly or a rim rubbing. So, the mechanic didn't get it spot on, so what, that doesn't have much to do with a frame review.

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kgt
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by kgt

Calnago wrote:
Sun Feb 11, 2018 6:31 pm
I will get a chance to test out the AKTIV fork on a Skylon very soon. I don't think it's the same fork as on the Alpe d'Huez bike due to it's weight, but it incorporates the same basic technology.
Yes, it is the same fork. It is a heavy one but it works. It does not work like a suspension fork but it eliminates vibrations at certain frequencies. Its capabilities are shown when going downhill at high speeds and the tarmac is not perfect It provides confidence and helps the rider move faster. Other than that it is not easy to discern it from a normal fork.

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miltmaster3
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by miltmaster3

Let’s start ..........
Image


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kgt
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by kgt

:thumbup:

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miltmaster3
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by miltmaster3

ImageImage


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miltmaster3
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by miltmaster3

7600gr Image


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kgt
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by kgt

Looks great. :thumbup: More and better photos please.

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havana
Posts: 353
Joined: Tue Jan 09, 2007 5:04 pm

by havana

Image

Lugs are stil 3K carbon, so it the head tube. The rest is shiny black.

Build list

Frame/fork: Time VXR frameset size L
Shifters, derailleurs, brakes: Campagnolo Potenza
Brake pads: Reynolds blue
Wheels: 38mm FCC (18 mm internal), Bitex hubs 20/24 CX-ray spokes
Tires: Vredestein Senso Superiore 25 mm
Cables: Campagnolo
Crank/PM: Quarq DZero 5x110 NHB
Chainrings: 50/34 SRAM Red 10sp
Cassette: 12-25 Shimano 105 11sp
Chain: Campagnolo Potenza w/ KMC missing link
Bottle cages: Aliexpress Time bottle cages
Headset: Time Quickset
Bars: PRO Vibe Round (repainted, w/o logo's)
Stem: FSA (repainted, w/o logo's)
Seat: Specialized Phenom 130 mm
Tape: Fizik Microtex
Chain catcher: K-Edge
Most "innovations" in cycling are solutions for non-existing problems.

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kgt
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Location: Athens, Greece

by kgt

:thumbup:

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kgt
Posts: 6917
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by kgt

Time Alpe d'Huez, creating the prototype model:

https://www.youtube.com/watch?v=jkiUwzKW8Uc

nemomaya
Posts: 20
Joined: Sun Dec 17, 2017 9:23 pm

by nemomaya

havana wrote:
Tue Apr 03, 2018 10:15 am
Image

Lugs are stil 3K carbon, so it the head tube. The rest is shiny black.

Build list

Frame/fork: Time VXR frameset size L
Shifters, derailleurs, brakes: Campagnolo Potenza
Brake pads: Reynolds blue
Wheels: 38mm FCC (18 mm internal), Bitex hubs 20/24 CX-ray spokes
Tires: Vredestein Senso Superiore 25 mm
Cables: Campagnolo
Crank/PM: Quarq DZero 5x110 NHB
Chainrings: 50/34 SRAM Red 10sp
Cassette: 12-25 Shimano 105 11sp
Chain: Campagnolo Potenza w/ KMC missing link
Bottle cages: Aliexpress Time bottle cages
Headset: Time Quickset
Bars: PRO Vibe Round (repainted, w/o logo's)
Stem: FSA (repainted, w/o logo's)
Seat: Specialized Phenom 130 mm
Tape: Fizik Microtex
Chain catcher: K-Edge

Hello, I am currently riding a Vittoria corsa g + of 700x23 in my colnago, I would like to change to the Vredestein Senso superior, I see that you have them mounted, how do they work? I can not find information thank you very much

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miltmaster3
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Location: patra greece

by miltmaster3

Just a reserve e mail from time
They will send me a new pair Of saddle cup to fix my issue!
They are very fast and very effective
Any of you that you have any problem just mail them


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by Weenie


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