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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Dumb question but would would I need to complete this crank?
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Author Topic: Dumb question but would would I need to complete this crank?  (Read 2003 times)

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Offline Old School

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Dumb question but would would I need to complete this crank?
« on: September 13, 2015, 12:00 PM »
http://m.ebay.co.uk/itm/Sugino-Cromo-OPC-175-One-Piece-Crank-Raleigh-Burner-Old-School-BMX-/271979142025?nav=WATCHING_ACTIVE

Currently building my Silver Streak and need a little help on the nitty gritty names of these things please!
What will I need to complete the crank in the link above?

Pedals obviously!
Chainring obviously!
What else??

Cheers :daumenhoch:





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Offline deeman

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« Last Edit: September 13, 2015, 12:17 PM by deeman »
SMALL MINDS TALK ABOUT PEOPLE....
MEDIUM MINDS TALK ABOUT EVENTS...
GREAT MINDS TALK ABOUT IDEAS....

Offline Retrodan72

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Re: Dumb question but would would I need to complete this crank?
« Reply #2 on: September 13, 2015, 12:16 PM »
You need a bottom bracket, I normally use a Tange, a 24 TPI (thread per inch).:

What I tend to do then, if I use a Sugino crank is use Sugino components, so a Sugino spider, 44t Sugino chainring, and I use unbranded chainring bolts, but you could use Sugino, if you're feeling flush.  :daumenhoch:


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Offline CustardLips

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"Every year is getting shorter, never seem to find the time"

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Offline Old School

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Re: Dumb question but would would I need to complete this crank?
« Reply #4 on: September 13, 2015, 01:49 PM »
Great thanks guys!
Have bought the Sugino bolts already!
And got my eye on the spider and 44T chainring too ;)

Are there different Tange bottom bracket models?

:daumenhoch:





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Offline CustardLips

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Re: Dumb question but would would I need to complete this crank?
« Reply #5 on: September 13, 2015, 02:37 PM »

Are there different Tange bottom bracket models?

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Probably a few variarions but all basically the same.  :daumenhoch:

Or get yourself one of these better than the Tange bb's imo.  ;)

http://pages.ebay.com/link/?nav=item.view&id=261376412414&alt=web
"Every year is getting shorter, never seem to find the time"

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Offline Old School

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Re: Dumb question but would would I need to complete this crank?
« Reply #6 on: September 13, 2015, 02:48 PM »


Are there different Tange bottom bracket models?

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Probably a few variarions but all basically the same.  :daumenhoch:

Or get yourself one of these better than the Tange bb's imo.  ;)

http://pages.ebay.com/link/?nav=item.view&id=261376412414&alt=web

Thanks! That's 24T, does it matter what size "T" I go for?


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Offline CustardLips

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Re: Dumb question but would would I need to complete this crank?
« Reply #7 on: September 13, 2015, 02:56 PM »
That means 24TPI (the thread size). The thread on the crank has to match the thread on the bb.  :daumenhoch:

If you're referring to number of teeth on the chainring you can have what you want... the preferred old school gear ratio being 44-16.  :daumenhoch:
"Every year is getting shorter, never seem to find the time"

"WWG1WGA"

Offline Old School

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Re: Dumb question but would would I need to complete this crank?
« Reply #8 on: September 13, 2015, 03:40 PM »
Cool, all making sense!

And finally, I assume a Silver Streak bottom bracket only fits 24TPI?

: daumenhoch:


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Offline CustardLips

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Re: Dumb question but would would I need to complete this crank?
« Reply #9 on: September 13, 2015, 03:55 PM »
Cool, all making sense!

And finally, I assume a Silver Streak bottom bracket only fits 24TPI?

: daumenhoch:


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No... a 28TPI bottom bracket will also fit but the sugino crank in the link is 24TPI. So you need a 24TPI bottom bracket.  :daumenhoch:
"Every year is getting shorter, never seem to find the time"

"WWG1WGA"

Offline Old School

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Re: Dumb question but would would I need to complete this crank?
« Reply #10 on: September 13, 2015, 05:30 PM »
Well I believe that was the original crank, spider and chainring on the original SS so that's what I'm going for!
Cheers guys :daumenhoch:


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Offline Old School

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Re: Dumb question but would would I need to complete this crank?
« Reply #11 on: September 13, 2015, 08:23 PM »
C
Sugino chainring purchased!


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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Dumb question but would would I need to complete this crank?
 

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