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 Post subject: Tune Skyline Ceramic BB
PostPosted: Tue Nov 11, 2003 5:45 pm 
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Joined: Wed Oct 22, 2003 6:05 pm
Posts: 571
Anyone know anything about the Tune Skyline ceramic BB listed on the weights page? Is this a new BB that Tune has out? It is not advertised on the Tune site, but they supposedly don't update the site frequently. It weight 116g which is about 20g lighter than anything out there now.


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 Post subject:
PostPosted: Tue Nov 11, 2003 6:20 pm 
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Joined: Fri Jun 27, 2003 8:05 pm
Posts: 2069
I refer you to this thread:

http://weightweenies.starbike.com/forum ... sc&start=0

It's expensive!

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 Post subject:
PostPosted: Tue Nov 11, 2003 7:29 pm 
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Joined: Thu Sep 26, 2002 3:42 pm
Posts: 1021
Location: in Colorado
I heard they took it off the market due to cost. It was very!!!!!! expensive.
I bought the ti one instead. Looking back I would have bought an
American or Canadian one. The Tune people sent instalation instructions in German and when I asked for them in English they said thier parts were not meant for export and that was it. :shock: :roll: :roll:


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 Post subject:
PostPosted: Tue Nov 11, 2003 11:10 pm 
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Posts: 2069
Thats odd and surprising since most of continental Europe speaks English.
What a shame.

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 Post subject:
PostPosted: Wed Nov 12, 2003 9:43 am 
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Joined: Tue Jun 11, 2002 2:45 pm
Posts: 891
Location: Germany
popawheelie wrote:
The Tune people sent instalation instructions in German and when I asked for them in English they said thier parts were not meant for export and that was it. :shock: :roll: :roll:

When was that?
They have translated their instructions to English about one year ago.


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 Post subject:
PostPosted: Tue Dec 09, 2003 6:52 pm 
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Joined: Fri Jun 27, 2003 8:05 pm
Posts: 2069
Interesting article on ceramic bearings used in cycling

http://www.velonews.com/tech/report/art ... 327.0.html

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 Post subject:
PostPosted: Tue Dec 09, 2003 8:59 pm 
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Joined: Fri Jun 13, 2003 1:43 pm
Posts: 751
Location: Belgium
Ok, I saw the article. But are there other manufacturers - such as SKF - who only make bearings, that produce them?


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 Post subject:
PostPosted: Fri Dec 19, 2003 10:14 pm 
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Joined: Sun Nov 02, 2003 2:25 pm
Posts: 97
Location: Bavaria
New Tune Skyline bottom bracket:

aluminium spindle, ceramic bearings, weight: 83 g :!:
price: 3333Euros - 4100 US$ :!:

I will try to get a photo


Last edited by Franzam on Sat Dec 20, 2003 2:16 pm, edited 1 time in total.

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 Post subject:
PostPosted: Sat Dec 20, 2003 2:16 pm 
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Joined: Sun Nov 02, 2003 2:25 pm
Posts: 97
Location: Bavaria
Here it is: 83g for mountainbike :!:


Attachments:
BB-6-pack.jpg
BB-6-pack.jpg [ 116.61 KiB | Viewed 883 times ]
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 Post subject:
PostPosted: Sat Dec 20, 2003 7:40 pm 
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Posts: 2477
Location: Colorado
WHAAAAAAAAAAAAAAAAAAAAAAAAT! :shock: $4100! :shock: Are you serious!? :shock: Thats totally idiotic if that really is $4100. Thats a bike right there! Where did you get that price from? I can't beleive that. Wheres the $4100 comming from? It's just a spindle and some bearings.

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 Post subject:
PostPosted: Sat Dec 20, 2003 7:47 pm 
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Joined: Tue Jun 11, 2002 2:45 pm
Posts: 891
Location: Germany
Superlite wrote:
Wheres the $4100 comming from? It's just a spindle and some bearings.

Yeah, but each bearing alone costs 1000 Euro (full ceramic). :D


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 Post subject:
PostPosted: Sat Dec 20, 2003 7:50 pm 
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Location: Colorado
If somebody buys that thing, I'm gonna smack them! :wink:

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 Post subject: Ouch?
PostPosted: Sat Dec 20, 2003 8:16 pm 
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Joined: Sat Nov 30, 2002 4:49 am
Posts: 1903
First your sig, and now threatening to smack someone like me - maybe we should call you Superagro ;)

If things work out financially for me over the next 6 months I'll be building a DH bike and a light road bike. If I wasn't so fat I'd strongly consider the use of this BB, the limiting factor is the Tune Cranks that the only ones compatible with it- a little to flexy for me :(


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 Post subject: Re: Ouch?
PostPosted: Sat Dec 20, 2003 8:32 pm 
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Location: Germany
Cyco wrote:
If I wasn't so fat I'd strongly consider the use of this BB, the limiting factor is the Tune Cranks that the only ones compatible with it- a little to flexy for me :(

According to tune their new hex taper is 40% stiffer than square taper.
When I compare this with the results from a stiffness test I read a while ago, this should mean that hex taper BBs are at least as stiff as Octalink or ISIS BBs.

And I guess soon other manufacturers will follow with hex taper BBs and cranks. :wink:


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 Post subject:
PostPosted: Sun Dec 21, 2003 12:10 am 
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Joined: Mon Jun 02, 2003 8:17 am
Posts: 6343
Location: Drenthe, Holland
Florian, Do you know anything about the tune cranckset for the hex BB? I saw the BB in the Bike workshop, but couldn't find the fitting crancks. :( And do you also know prices. (This is for mtb, Sorry wrong forum :oops: )

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