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 Post subject: BB - Chris King or HSC
PostPosted: Mon Aug 26, 2013 4:39 am 
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Joined: Thu Sep 13, 2012 11:31 pm
Posts: 9
I'm building a new bike which has a BB86 frame. What do you guys think between:

Chris King Press Fit 24 - Steel (c. $140)
Chris King Press Fit 24 - Ceramic (c. $210)
HSC Ceramic BB86 ($135 - http://www.hscceramics.com.au/HSC-Bike- ... -BB86.html" onclick="window.open(this.href);return false;)

The HSC seems to have good specs from what I can tell, and it's also 30g lighter than the CK ceramics. The CK reputation is indisputable though. Help :welcome: .

Thanks!


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PostPosted: Mon Aug 26, 2013 6:13 am 
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Joined: Wed Oct 31, 2007 10:32 pm
Posts: 8324
Location: Los Angeles / Glendale, California
Never used BB86, but I can speak/write about HSC bearings and they are fantastic. I've used them on both BB30 and BSA/external cup frames.

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PostPosted: Mon Aug 26, 2013 12:04 pm 
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Joined: Fri Jan 13, 2012 12:02 am
Posts: 33
im no expert but I can tell you i had a bad experience with a HSC GXP bottom bracket a few years ago, from memory the tolerances were out and they kept coming loose, I returned them and got my money back

was told by my lbs they are just chinese made bearings imported by an aussie company and to try these American made bearings http://www.vcrcbike.com/ havnt had a problem since

prendrefeu has had great experiences so maybe I was unlucky and got a dud set


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PostPosted: Mon Aug 26, 2013 3:46 pm 
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Joined: Tue Nov 11, 2003 9:47 pm
Posts: 2196
Location: Santa Cruz, California, USA
I'd also recommend VCRC. I have a set (GXP, ceramic) and they are very smooth.


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PostPosted: Mon Aug 26, 2013 9:25 pm 
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Joined: Fri Jul 23, 2004 8:24 pm
Posts: 1834
Location: Houston, Texas
If I weren't running an FSA K-Force SRM which has a slightly larger diameter spindle than Shimano forcing us to use FSA parts, I would be using a KCNC Press-In BB86 Bottom Bracket.

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PostPosted: Tue Aug 27, 2013 3:32 am 
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Joined: Thu Sep 30, 2010 5:50 am
Posts: 315
I will vote for HSC. I have them on two bikes now and have installed them in friends bikes. Primarily PF30 and BB30 with never an issue.


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PostPosted: Tue Aug 27, 2013 1:02 pm 
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Joined: Thu Mar 17, 2011 7:29 pm
Posts: 49
eric wrote:
I'd also recommend VCRC. I have a set (GXP, ceramic) and they are very smooth.


Another vote for VCRC


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PostPosted: Tue Aug 27, 2013 1:37 pm 
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Joined: Tue May 04, 2004 1:23 pm
Posts: 729
Location: uk
Ive had a kcnc bb86...poor tolerances.noisy.
Binned it....
Im usually a fan of kcnc,as well...:sad:

Sent from my GT-I8160 using Tapatalk 2

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PostPosted: Wed Aug 28, 2013 6:02 pm 
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Joined: Thu Apr 11, 2013 8:21 pm
Posts: 145
I have a ceramic Chris King BB (Shimano) with < 2000 miles on it, and it's already making grinding noises. Not happy with CK at all.

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PostPosted: Wed Aug 28, 2013 7:08 pm 
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Joined: Sun May 04, 2008 10:03 pm
Posts: 1196
Location: Back in the saddle...
I have a CK 68mm along with the grease injection tool. Just based off of feel, I thought the bearings were nothing compared to the Campy SR I had on my bike before. I only made the switch because I was installing a Quarq. Every time I used the tool it would force the gaskets to pop out, and in general I just felt the CK "name" was hype.

I've since had a Quarq warranty replacement, and now since I am using the Elsa I have a SRAM GXP bb... I'd be interested switching to VCRC or HSC is truly an upgrade.

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PostPosted: Wed Aug 28, 2013 7:12 pm 
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Joined: Tue Nov 11, 2003 9:47 pm
Posts: 2196
Location: Santa Cruz, California, USA
The VCRC ceramic GXP is an upgrade from the Sram steel bearing GXP but the Sram one is so good that it's only a small difference in the "spin the cranks" test.
I realize that test is not representative of actual use but its what I have available.


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PostPosted: Thu Aug 29, 2013 4:11 am 
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Joined: Sun May 04, 2008 10:03 pm
Posts: 1196
Location: Back in the saddle...
Thanks. I understand the "spin" test is not very scientific, but what else do we have? I know when I gave the Campy setup a whirl it was remarkable. The Chris King... bleh! It seems I spent a lot of time trying to tighten the crank "just enough" to avoid play but get some freedom in its rotation. In that sense, the GXP is a nice switch. Just tighten and go. No fiddling.

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PostPosted: Thu Aug 29, 2013 2:35 pm 
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Joined: Thu Mar 17, 2005 3:25 am
Posts: 2206
Location: Southern Indiana USA
I think the GXP is the best design for external bearing cranks. Less tools, no preload problems, self extracting, etc.

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