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Bottombracket for kona cowan 06
Guest_mikey123_*
post Feb 9 2009, 03:20 PM
Post #1





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i need a brand new complete bottom bracket for my kona cown 2006 and need the bracket size and the correct brands to get and also if possible could you send me a link link to the right one for my bike as i am building the bike from scratch and im new to the whole bike building thing
thanks for all help
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tech
post Feb 9 2009, 04:01 PM
Post #2


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the shell size of your frame is 68mm. If you follow the link below you can see what the bike was spec'd out with when first released.

The seatpost size is 30.0mm, head tube is 1 1/8", and the rear spacing is 135mm.


http://www.konart.net/2K6_Catalog_Proof_pgs66-67.jpg


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Guest_mikey123_*
post Feb 9 2009, 04:10 PM
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Thanks for the fast response so i can purchase any dirt jump BB at 68mm and it will fit fine?
any brand suggestions
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tech
post Feb 9 2009, 04:12 PM
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It's usually best to get the cranks and BB together, I've hand great luck with Race Face Diabolus.


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Guest_mikey123_*
post Feb 9 2009, 04:27 PM
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Thanks
Also im a bit woried about my forks i just bought there marzocchi DJ1 i think 07 and it sounds like it has a liquid inside it
is this normal or is it not i think it maybe compressed gas but unsure as i thought you put air in them dry.gif
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tech
post Feb 9 2009, 04:35 PM
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All the DJIs I've seen have oil in them to control the damping. If you're hearing a lot of sucking and sloshing though they could have low oil so it's time to crack them open and check to see that they're up to spec. Marzocchi has PDF owners manuals by year on their site and oil level charts.


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Guest_mikey123_*
post Feb 9 2009, 09:30 PM
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Thanks for all help is there a certian width and length that the bb has to be
sory for being a pain you give the best advice though biggrin.gif
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tech
post Feb 9 2009, 09:47 PM
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The shell size of the frame is 68mm. The current outboard bearing type BB's with an integrate crank/axle setup are all pretty well one size fits all.

For outboard bearings you want a 51mm front chainline, for inboard you want 47.5mm.


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Guest_mikey123_*
post Feb 10 2009, 04:43 PM
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Would these fit mine ARE THEY A GOOD MAKE?
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?Vie...em=230324039280
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tech
post Feb 10 2009, 06:38 PM
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Never heard of that brand.

3 piece cranks like that are super touchy to setup, and fine tune. They're also very heavy. We had our own cranks like that coming up on 10 years ago and just about any rider found them to be overkill once ISIS and X-type BBs and cranksets became widely available.


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