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Author Topic: Best bottom bracket?  (Read 2819 times)

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Offline Darrinw2001

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Best bottom bracket?
« on: August 23, 2009, 03:16:17 PM »
I am looking at replacing my bottom bracket and may just replace the whole drivetrain. question is, what to buy? it has a Truvativ GigaPipe SL ISIS now.

Offline $irWattZZZZ

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Re: Best bottom bracket?
« Reply #1 on: August 23, 2009, 03:46:49 PM »
The easiest and cheapest option would be to replace it with another Tuvativ SL, verify the width as they come in a few sizes. A new Shimano XT crank would be a sweet upgrade for around $200. The XT comes with the external integrated bearing cups.

Offline FACTORe

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Re: Best bottom bracket?
« Reply #2 on: August 23, 2009, 04:02:46 PM »
Chris King - game over

Offline bikehard

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Re: Best bottom bracket?
« Reply #3 on: August 23, 2009, 04:11:00 PM »
The easiest and cheapest option would be to replace it with another Tuvativ SL, verify the width as they come in a few sizes. A new Shimano XT crank would be a sweet upgrade for around $200. The XT comes with the external integrated bearing cups.

+1 on the XT Crankset and bottom bracket.   However the CK is super blingy and would last forever.
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Offline Big Hooper

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Re: Best bottom bracket?
« Reply #4 on: August 23, 2009, 04:15:13 PM »
+2 on the XT. Been there done that.
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Offline FACTORe

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Re: Best bottom bracket?
« Reply #5 on: August 23, 2009, 04:24:11 PM »
I have an XTR BB I am not using because I have a CK if you want to buy it

never been installed

Offline $irWattZZZZ

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Re: Best bottom bracket?
« Reply #6 on: August 23, 2009, 04:32:15 PM »
His current crank is an ISIS, so to use an integrated cup like a king or XT/XTR he would have to buy a new crankset. The Shimano cranks come with the external bearing cups and are VERY durable.

Offline FACTORe

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Re: Best bottom bracket?
« Reply #7 on: August 23, 2009, 04:57:55 PM »
His current crank is an ISIS, so to use an integrated cup like a king or XT/XTR he would have to buy a new crankset. The Shimano cranks come with the external bearing cups and are VERY durable.

ah - get some xt cranks and the BB that comes with them are great

Offline BeerCan

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Re: Best bottom bracket?
« Reply #8 on: August 23, 2009, 05:11:46 PM »
Get the SKF ISIS and don't worry.   Chris King ISIS?  I know they were part of the design team but I don't think they ever came out with a product.
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Offline Darrinw2001

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Re: Best bottom bracket?
« Reply #9 on: August 23, 2009, 05:45:24 PM »
since I only paid $600 for the whole bike, spending $500 for a crankset does not make much sense. I am looking for a quality product that will last awhile and not make me wish I just bought another bike... is this a "Good" quality product of the money?
 
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Offline catman

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Re: Best bottom bracket?
« Reply #10 on: August 23, 2009, 08:02:32 PM »
Darrin, since you're a big guy I'd avoid any crank with hollow arms. I broke a hollow arm crank myself at 185lbs. The Race Face pictured look solid to me. +1 on going with the external bearing set up but it is true you should have a higher end bike to justify CK bling. You'll need a different tool to install the external bearings by the way. Make sure you get the same length crank arm as well.
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Offline $irWattZZZZ

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Re: Best bottom bracket?
« Reply #11 on: August 23, 2009, 08:20:02 PM »
I went thru 2 sets of race face bearings in 1 month, Do a little research on this matter as it is well documented. There is nothing wrong with an ISIS BB, if I were in your shoes I would replace your BB with another ISIS style BB which can be purchased for under $40 :)

Offline Darrinw2001

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Re: Best bottom bracket?
« Reply #12 on: August 23, 2009, 08:53:26 PM »
Thanks Catman and Scott. It gives me some options and things to think about. Good advice...

Offline catman

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Re: Best bottom bracket?
« Reply #13 on: August 23, 2009, 09:05:21 PM »
I also agree with scott. If it was me, I'd just change out the BB with same ol ISIS. I run that set up on my XC bike without issue and the previous XTR external BB gave me issues after wet rides.
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Offline BeerCan

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Re: Best bottom bracket?
« Reply #14 on: August 23, 2009, 10:29:09 PM »
If you get the SKF ISIS BB you will not have bearing issues for a looooooooooong time
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