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Recommendations for 70s/80s BB & Crank pair?

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Recommendations for 70s/80s BB & Crank pair?

Old 06-30-17, 02:04 AM
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WillBradley1
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Recommendations for 70s/80s BB & Crank pair?

Hi there,

Inherited a beautiful Raleigh Superbe my mum had built in 1981, cycled everyday since. Sadly it had had several of the original parts removed by sh*t bike shops... So im seeing it as a excited winter project to try and get it back to its original spec.

Looked at the 1980 Raleigh catalogue, it seemed to have pretty much all suntour superbe pro parts... Although as It was specifically hand built for my mum in Nottingham, I know the parts we chosen individually so it wont have been the factory spec (even more savage they are gone )

Recommendations on the best BB and Crank pairing from this era?

Im not necesserally bothered about sticking to factory spec, picking up suntour superbe pro parts when I can find good deals... But for the Crank and BB suntour just seems too expensive, when people say their BB wasnt even that great...

Thoughts?!
Thanks!
Will x
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Old 06-30-17, 07:18 AM
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Choices will depend on what gearing you want for the bike and do you want period parts. Typical group would be 52-42 with a 13-26 rear. In that case you can go with any Suntour short cage parts you want. Lots of nice Sugino and Sakae double and triple cranks out there (and in my stash).

Suntour Sprint is a near identical match to the Superbe if you want that look. I've never heard about quality issues with Suntour or Sugino BB's before, I like 'em.
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Old 06-30-17, 10:48 AM
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I'd say that your first decision is to decide on what gearing you want to have. If you're young and fit, and only ride in the flats, then you might be OK with a classic racing crankset with a 144 or 135 mm BCD with a 42T or 39T minimum chainring size. If you ride hills and are old and slow like me, you'll want something with a 110 or smaller BCD so that you can get down to 34T or even smaller.
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Old 06-30-17, 01:29 PM
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110mm is arguably the most versatile BCD, stiff enough for road work, yet with a small enough minimum ring size for hills and multitrack.

If you want low gears, consider choosing something smaller than the standard 52 or 53T for your outer ring. Dropping to about a 48 will give you more choices of front and rear derailleurs by reducing the tooth drop up front.
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Old 06-30-17, 02:04 PM
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Originally Posted by WillBradley1 View Post
Hi there,

Inherited a beautiful Raleigh Superbe my mum had built in 1981, cycled everyday since. Sadly it had had several of the original parts removed by sh*t bike shops... So im seeing it as a excited winter project to try and get it back to its original spec.
First off, how can you be sure that these parts weren't replaced at her request? Did you ask her?

The crankset, while not original, provides for much lower gears than the typical road bike would have in 1981, so it may well have been a welcome change for her, or whoever had been riding the bike in the meantime.
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Old 06-30-17, 02:12 PM
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The kind of "service" you describe from those bikeshops is called theft.

Anyway if its a Raleigh Superbe it will most likely feel and look the best with Suntour Superbe. But Campagnolo Record och Super Record is never a bad choice . Or the funky and period correct Shimano Dura-Ace AX if you want to keep the group Japanese. Even more about Shimano Dura-Ace AX derailleur (7300) @ disraeligears.co.uk.

Yes, Suntour Superbe can get pricy on eBay. Especially as "Buy it now", but auctions can be ok. But of course a donor bike is always the cheapest method.
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