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 Post subject: Re: TJ wins on discs
PostPosted: Tue Dec 13, 2011 2:11 pm 
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Joined: Mon May 24, 2010 4:18 am
Posts: 397
Location: Australia
Limba wrote:
Some companies don't even make any 26" mtn.bikes anymore! You have to buy a 29"er..


Yeah, oh what an advancement forward that has been.
-Increased weight (tyre + wheel)
-Decreased lateral strength of the wheel (trig 101)
-Increased COG on the bike

Anything to sell bikes to gullible riders (and yes, I've ridden both).


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 Post subject: Re: TJ wins on discs
PostPosted: Tue Dec 13, 2011 2:21 pm 
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User avatar

Joined: Wed Feb 25, 2009 7:58 pm
Posts: 323
Location: Lancaster, UK
Quote:
My own bike with the new shimano ultegra di2


what wheels are you running OCCP?


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 Post subject: Re: TJ wins on discs
PostPosted: Tue Dec 13, 2011 2:34 pm 
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in the industry

Joined: Sun Oct 02, 2005 3:16 pm
Posts: 76
Location: Merzig-Germany
maddog 2 wrote:
Quote:
My own bike with the new shimano ultegra di2


what wheels are you running OCCP?



Novatec light hubs with revo spokes and mavic reflex rims. Tires are Tufo Flexus Primus.

_________________
www.occp.de


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 Post subject: Re: TJ wins on discs
PostPosted: Mon Dec 19, 2011 12:52 am 
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Joined: Mon Sep 05, 2011 2:15 am
Posts: 108
Its going to happen weather you like it or not! They make sense and are worth the extra weight


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 Post subject: Re: TJ wins on discs
PostPosted: Fri Dec 23, 2011 11:18 pm 
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User avatar

Joined: Wed May 13, 2009 5:23 pm
Posts: 977
Location: Denmark
Illuminate wrote:
Limba wrote:
Some companies don't even make any 26" mtn.bikes anymore! You have to buy a 29"er..


Yeah, oh what an advancement forward that has been.
-Increased weight (tyre + wheel)
-Decreased lateral strength of the wheel (trig 101)
-Increased COG on the bike

Anything to sell bikes to gullible riders (and yes, I've ridden both).


Only focusing on the negatives, eh :) What about things like increased stability and better traction?

By the way, saying "increased center of gravity" doesn't make sense. You can move the center of gravity because it's a position. You can't increase it.

_________________
Cannondale F-Si Team 2015
Cannondale F29 Team 2014
Cannondale F29 Carbon 1 2013


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 Post subject: Re: TJ wins on discs
PostPosted: Sun Dec 25, 2011 11:10 am 
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Joined: Tue Oct 22, 2002 7:49 pm
Posts: 1057
Location: The Netherlands - Europe
the_marsbar wrote:

Only focusing on the negatives, eh :) What about things like increased stability and better traction?

By the way, saying "increased center of gravity" doesn't make sense. You can move the center of gravity because it's a position. You can't increase it.


So he probably means 'higher COG', which is false too. The rider is in the same position, just a bit lower relative to the wheel axles.

By the way, how did this discussion end up in a CX topic about TJ's discs??


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 Post subject: Re: TJ wins on discs
PostPosted: Sun Dec 25, 2011 11:39 pm 
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Joined: Sun Mar 27, 2011 8:16 pm
Posts: 443
These are now available, and I will be getting a pair ASAP: http://www.hopetech.com/page.aspx?itemID=SPG343


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 Post subject: Re: TJ wins on discs
PostPosted: Mon Dec 26, 2011 3:27 am 
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User avatar

Joined: Sat Dec 24, 2011 5:05 pm
Posts: 2
" The fact is that 99.9% of top riders all around the world are not using them.
Before adding 2-300gr on the wheels and maybe something around 500gr on the whole bike for nothing, they think twice"

Is nobody considering the lower rotating mass on disc wheels that do not have to be thicker to support cantilever brakes? In the end racers will choose from what their sponsors want to sell, and from this, what makes them faster.

With more and improving disc brake choices vs. decreasing number and stagnant development of cantilever brakes it is clear to which way CX will go.

K


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 Post subject: Re: TJ wins on discs
PostPosted: Mon Dec 26, 2011 10:41 am 
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Joined: Sat Sep 05, 2009 11:20 am
Posts: 1413
Thing is those lower rotating mass rims don't exist yet, and until there is a wider adoption manufactures are unlikely to risk the money on a die or mould for a wheel that will be pretty niche.

_________________
"Step forward the climber and all those who worship at the altar of lightness" - R. Millar


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 Post subject: Re: TJ wins on discs
PostPosted: Mon Dec 26, 2011 1:39 pm 
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Joined: Sun Mar 27, 2011 8:16 pm
Posts: 443
What about disc only 29er rims?


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 Post subject: Re: TJ wins on discs
PostPosted: Mon Dec 26, 2011 3:37 pm 
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Joined: Sat Sep 05, 2009 11:20 am
Posts: 1413
Enve's road rims are lighter than their 29er rims. Pretty much the same everywhere

_________________
"Step forward the climber and all those who worship at the altar of lightness" - R. Millar


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 Post subject: Re: TJ wins on discs
PostPosted: Tue Dec 27, 2011 5:05 am 
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Joined: Wed Feb 02, 2011 3:48 am
Posts: 1438
@euan - Only the 25mm option weighs less and I imagine many people would shy away from it for CX use (although the newer rims are beefed up compared to the older 24mm and 25mm rims). The ENVE XC tubular on the other hand weighs less than all their other road rims.


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 Post subject: Re: TJ wins on discs
PostPosted: Tue Jan 03, 2012 5:17 pm 
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Shop Owner

Joined: Fri Nov 04, 2005 3:12 pm
Posts: 500
Location: cochem -germany
it tokk 5 years to see v-brakes on pros bikes
it took 5 years to see alloy frames, carbon
it took years to see cliplesspedalks on pros bikes.
..........................
i love my disc, especially when mud, wet or snow. a little more space for fenders.
it easy to buil a sub 7 kilobike with disc

_________________
CX RACE 12.12.15 http://www.cx-sport.de/content/cyclocro ... cup-cochem


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 Post subject: Re: TJ wins on discs
PostPosted: Wed Jan 04, 2012 8:31 pm 
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Joined: Wed Jun 27, 2007 12:18 am
Posts: 195
elmar schrauth wrote:
i love my disc, especially when mud, wet or snow. a little more space for fenders.


FTW!


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 Post subject: Re: TJ wins on discs
PostPosted: Mon Jan 09, 2012 9:19 pm 
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Joined: Sun Apr 24, 2011 2:21 am
Posts: 344
I think until discs are allowed for road, you may not see too many manufacturers switch to discs. Many customers for cross want a bike that they can dual purpose cross and road race/crit (if necessary). If a manufacturers full line up is in discs, they exclude this group - at least for now.

I can see cyclocross going mostly full discs sometime in the near future, but for now Canti's will be fine.


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