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PostPosted: Wed Jul 03, 2013 12:03 pm 
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Joined: Fri Apr 12, 2013 1:19 pm
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Location: South West England
http://www.planet-x-bikes.co.uk/i/q/BCP ... e_calipers" onclick="window.open(this.href);return false;
http://www.planet-x-bikes.co.uk/i/q/BCP ... e_calipers" onclick="window.open(this.href);return false;

Anyone got any experience with these? They seem to offer a fairly good weight-to-price ratio.

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Scott CR1 - 7.1kg - cracked
BMC SLR02 - 7.6kg - cracked too...
Kinesis Aithein - 6.9kg - hit by car!

MASON Definition | Camapgnolo Chorus/Potenza | TRP Spyre SLC | Novatec CXD - TBC


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PostPosted: Wed Jul 03, 2013 12:06 pm 
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Joined: Sat Jun 26, 2010 11:43 am
Posts: 456
Too many threads on this Devon, please look:

https://www.google.ie/search?q=site%3Aw ... etx+brakes" onclick="window.open(this.href);return false;

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Planet-X Nanolight HM - 5.63kg


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PostPosted: Wed Jul 03, 2013 12:49 pm 
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Location: Pack filler
They're too light, and float off into the ether..... ;-)

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Official cafe stop tester


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PostPosted: Wed Jul 03, 2013 1:00 pm 
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Location: South West England
Very good 8)

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Scott CR1 - 7.1kg - cracked
BMC SLR02 - 7.6kg - cracked too...
Kinesis Aithein - 6.9kg - hit by car!

MASON Definition | Camapgnolo Chorus/Potenza | TRP Spyre SLC | Novatec CXD - TBC


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PostPosted: Wed Jul 03, 2013 1:32 pm 
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Joined: Mon Feb 19, 2007 3:44 am
Posts: 2035
Location: Canada
jekyll man wrote:
They're too light, and float off into the ether..... ;-)


:lol:

:)

s
i
u
o
L


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PostPosted: Wed Jul 03, 2013 3:54 pm 
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Joined: Mon Jan 24, 2011 8:09 pm
Posts: 903
Yeah, this have been covered before.

Pros: Light.

Cons: Cable clamping setup allows cable to slip under higher brake lever force. The mechanism crushes/frays the cable at the clamp point, as cable slips under lever pressure this causes braking to be reduced, not good. No idea what they were thinking with this terrible neanderthal design.

Quick release, doesn't really quick release if you run your pads close to the rim. You need enough space due to the poor lever design to allow the brake pads cantilever first against the rim before the release will pop and open up the brakes. That is great is you like your pads 4mm from the wheel on each side to allow the lever to close, then open. But, I run my pads closer to the rims, just removing the wheel between rides was a hassle every time.

If they would just build this brake, with the traditional and proven cable clamping and quick lever adjustment like SRAM/Shimano and others use, I would switch back to them. Until that time, just using my Red brakes. They work, the quick release system is golden/proven, and my brakes cables aren't destroyed.


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PostPosted: Wed Jul 03, 2013 4:51 pm 
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Location: South West England
Thanks for the report. I use Campagnolo so have the more sensible lever operated release so that shouldn't be an issue. Will look into the cable fraying issue though, thanks.

_________________
Scott CR1 - 7.1kg - cracked
BMC SLR02 - 7.6kg - cracked too...
Kinesis Aithein - 6.9kg - hit by car!

MASON Definition | Camapgnolo Chorus/Potenza | TRP Spyre SLC | Novatec CXD - TBC


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PostPosted: Wed Jul 03, 2013 9:44 pm 
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Joined: Sat Jan 12, 2013 1:09 am
Posts: 19
They look cool, work fairly well, and don't weigh a lot, but that's about it. Nothing amazing about them. Just like Zigmeister said the cable clamp is pretty stupid and ruins the cable once you've tighten the bolt. Had the CNC version on my main roadie but i just decided to let my singlespeed inherit them.


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PostPosted: Wed Jul 03, 2013 11:06 pm 
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Joined: Sat Mar 06, 2010 10:34 pm
Posts: 356
Yes cable stops sucks. Overall great calipers nice and stiff.


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PostPosted: Thu Jul 04, 2013 10:49 am 
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Joined: Tue Nov 24, 2009 12:37 pm
Posts: 172
Zigmeister wrote:
Yeah, this have been covered before.

Pros: Light.

Cons: Cable clamping setup allows cable to slip under higher brake lever force. The mechanism crushes/frays the cable at the clamp point, as cable slips under lever pressure this causes braking to be reduced, not good. No idea what they were thinking with this terrible neanderthal design.


Never had a problem with this, all cable clamps crush the cable by design.. If you setup you brakes correctly there is no issue..

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Scott CR1 - 12.56Ib
Neon - 15.49Ib


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PostPosted: Tue Jan 28, 2014 2:00 am 
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Joined: Sat Dec 28, 2013 1:03 pm
Posts: 33
Location: Kansas / New York
I don't know much about how they get the material to be black or red, but wouldn't the silver colored ones be lighter than say the black or red? Or is it anodized or colored in a way that doesn't increase the weight? Here is the link for convenience http://www.planetx.co.uk/i/q/BCPXFOR/planet-x-ultra-light-forged-brake-calipers

Thanks

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PostPosted: Tue Jan 28, 2014 4:32 am 
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Joined: Fri Feb 17, 2012 5:33 pm
Posts: 46
Location: Louisiana USA
The color comes from a dye applied as part of the anodizing process. The anodizing adds no weight, it is an electrochemical process on the surface of the metal. The dye is only a few molecules thick. The silver ones are also anodized, to prevent corrosion.


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PostPosted: Tue Jan 28, 2014 4:49 pm 
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Joined: Sun Nov 03, 2013 4:11 pm
Posts: 68
There are 2 versions of the planetX brakes,
[1] CNC version spec'd weight 205g
[2] forged version: spec'd 225 g
(at half the price of the CNC brake)

my forged brakes:
Image


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PostPosted: Wed Jan 29, 2014 3:25 am 
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Joined: Fri Apr 05, 2013 4:33 pm
Posts: 9
I've got the 201gr cnc'd gold version. As for the color, anodizing will not add a measurable amount of weight to the brake set. Setting them up is easier than some would lead to believe. If you got Any mechanical skills, it won't be a problem. I'm 150lbs kitted and there is more than enough stopping power. Keep an eye on them, if they go on sale get the cnc'd ones.


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PostPosted: Thu Jan 30, 2014 4:24 am 
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Joined: Sat Dec 28, 2013 1:03 pm
Posts: 33
Location: Kansas / New York
Thanks for all your help guys, I just didn't know what exactly the anodizing process meant and I appreciate the pic of them on the scale. I'll be saving weight (36g) even if they come in at 242 and money over the set of SRAM Red brakes I just sold so I think I'll be happy with these!

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