Technical & Reference Section > Tech and Restoration

R these 1 piece cranks old school enough...?

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dannywhiteley:
I have a Takagi 1pc 28tpi with matching 28tpi bottom bracket for less than £20 in the classifieds.  Not mint, but defo oldschool.

g_lamb:

--- Quote from: dannywhiteley on June 01, 2009, 06:54 PM ---I have a Takagi 1pc 28tpi with matching 28tpi bottom bracket for less than £20 in the classifieds.  Not mint, but defo oldschool.

--- End quote ---

Not sure if I know what the 28tpi is all about. I have a US frame with a Diamond Back 1 piece crank and a YST seald BB (http://cgi.ebay.co.uk/YST-SEALED-bottom-bracket-set-for-1-piece-cranks-NOS_W0QQitemZ190281622220QQcmdZViewItemQQptZCycling_Parts_Accessories?hash=item2c4dab22cc&_trksid=p3286.m63.l1177) :-[

MartyC:

--- Quote from: g_lamb on June 01, 2009, 08:40 PM ---
--- Quote from: dannywhiteley on June 01, 2009, 06:54 PM ---I have a Takagi 1pc 28tpi with matching 28tpi bottom bracket for less than £20 in the classifieds.  Not mint, but defo oldschool.

--- End quote ---

Not sure if I know what the 28tpi is all about. I have a US frame with a Diamond Back 1 piece crank and a YST seald BB (http://cgi.ebay.co.uk/YST-SEALED-bottom-bracket-set-for-1-piece-cranks-NOS_W0QQitemZ190281622220QQcmdZViewItemQQptZCycling_Parts_Accessories?hash=item2c4dab22cc&_trksid=p3286.m63.l1177) :-[

--- End quote ---

The 28TPI refers to the Number of Threads per Inch on the cranks, they come in two thread sizes, 24TPI (probably what you have) and 28TPI which more common on Mongoose bikes for some reason  :daumenhoch:.

T WILD:
I've got a spare sugino 83 178 1 piece crank. its not nos though but its not bad and should clean up well. you can have it for £17 posted thats what I paid for it but its not needed any more.

dannywhiteley:
With the matching 28tpi bottom bracket it dont matter.   Will fit your frame.

£18 posted?

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