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PostPosted: Fri Sep 22, 2017 4:44 pm 
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Joined: Wed Feb 18, 2009 12:02 pm
Posts: 742
hambini wrote:
Hi,

For BB30, I can't make a bb30 bottom bracket. I've seen some people that make them one piece but they have frigged the bearings and will compromise life.

For PF30 to fit a BB30 crankset, that is doable but there is a general trend now towards BB30 (90mm) cranks. so they aren't 68mm anymore. So I can make them as a special but I don't keep them as a stock item.

Hope that helps

Hambini


Awesome! I will contact you for a PF30 black series. Do you know the weight off hand?

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Posted: Fri Sep 22, 2017 4:44 pm 


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PostPosted: Fri Sep 22, 2017 5:23 pm 
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Joined: Thu Nov 24, 2016 10:32 pm
Posts: 78
hambini wrote:
Cannondale, Boardman and Cervelo all take the mick with their tolerances. Look and Time are at the other end of the spectrum.

You bring up a good point; BB30 isn't good for super mass produced frames. My Time Izon has been flawless for two years and many miles, as the BB30 bracket is perfectly machined. I'm also using Hawk Racing bearings which are brilliant.


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PostPosted: Sat Sep 23, 2017 1:28 am 
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Joined: Sun Jul 29, 2012 12:49 am
Posts: 502
With tight tolerances, the BB30 will probably offer a wider range of crank options.


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PostPosted: Sat Sep 23, 2017 1:38 am 
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Joined: Sun May 25, 2014 4:57 am
Posts: 1904
T47 for futre proofing

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PostPosted: Sat Sep 23, 2017 5:47 am 
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Joined: Mon Aug 29, 2016 11:19 am
Posts: 390
Bb30 is lightest and if it creaks I hear you can either use gap filler or special oversized bearings.

Although for your weight I might vote for BSA. Zero creak.

/a


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PostPosted: Sat Sep 23, 2017 6:34 pm 
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Joined: Tue Nov 15, 2016 8:13 am
Posts: 94
jever98 wrote:
hambini wrote:
Hi,

For BB30, I can't make a bb30 bottom bracket. I've seen some people that make them one piece but they have frigged the bearings and will compromise life.

For PF30 to fit a BB30 crankset, that is doable but there is a general trend now towards BB30 (90mm) cranks. so they aren't 68mm anymore. So I can make them as a special but I don't keep them as a stock item.

Hope that helps

Hambini


Awesome! I will contact you for a PF30 black series. Do you know the weight off hand?


about 140g

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PostPosted: Sun Sep 24, 2017 1:17 pm 
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Joined: Sat May 26, 2012 11:26 pm
Posts: 982
I have 3 essentially pf30 frames - tarmac sl3 (osbb), slice rs and evo. Every time i thought i had a bb creak it was something else (cassette lockring, hollowgram lockring, pedal threads). I have pressed each bb myself with a cheap press from chain reaction. I grease the cups. Never a creak. A sram pf30 with the center plastic sleeve dremeled out ehich is not required unless di2 wires are running past is 69 grams.

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PostPosted: Sun Sep 24, 2017 2:34 pm 
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Joined: Mon Oct 24, 2016 10:08 am
Posts: 31
I vote T47.
My AX lightness composite integrated BB386EVO is a light and nice solution, but has limited crank compatibility.

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PostPosted: Sun Sep 24, 2017 7:47 pm 
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Joined: Thu Jul 19, 2012 6:09 pm
Posts: 1110
Location: Loveland, CO
I'm getting a custom frame (Ti not carbon) and I picked T47. I like the Chris King BB so I can use their grease injection tool. The BB should be the last thing I worry about when I ride.

I plan to use the Quarq DZero BB30 powermeter.

Sent from my iPhone using Tapatalk


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