Author Topic: Centaur bottom bracket question  (Read 1004 times)

Zipperhead

  • The cyclist formerly known as Big Helga
Centaur bottom bracket question
« on: 17 June, 2009, 11:52:35 am »
I'm trying to build a bike up by re-using bits from another one and using some project bits that are on the shelf.

The frame has a centaur bottom bracket which I measured at 111mm. I've got a campag race triple chainset (bought cheaply in a sale) and I think that these two will go together, but I would like a reality check....

According to the Campag website, the Centaur bottom bracket is:


CENTAUR - VELOCE - MIRAGE - SC-S bottom brackets:

- axle length 111mm (symmetrical)
- for double crankset: CENTAUR 9s/10s - VELOCE 9s/10s - MIRAGE 9s - XENON 9s
- for tubes: diameter 28.6mm, diameter 32mm, diameter 35mm
- chain line: 43.5mm
- for triple crankset: CENTAUR 9s/10s - VELOCE 9s/10s - MIRAGE 9s - XENON 9s - COMP TRIPLE 10s - RACE TRIPLE 10s - CHAMP TRIPLE 9s
for tubes: diameter 28.6mm
chain line: 45mm

If I read that correctly, then as long as the seat tube diameter is 28.6mm (which is highly likely this being a proper steel frame) then a 10 speed race triple will fit and be in the correct posiition?

The rest of the drive train is going to be 9s Shimano, but I don't think the chainset will notice!
Won't somebody think of the hamsters!

Biggsy

  • A bodge too far
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Re: Centaur bottom bracket question
« Reply #1 on: 17 June, 2009, 12:20:09 pm »
Yes, that BB will go well with the Racing T chainset.
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Zipperhead

  • The cyclist formerly known as Big Helga
Re: Centaur bottom bracket question
« Reply #2 on: 17 June, 2009, 12:23:45 pm »
Thanks for the confirmation.

so, a new chain, some new cables and front mech and we're there. Splendid.
Won't somebody think of the hamsters!