mtb cranks in spanish (bmx) bb

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mtb cranks in spanish (bmx) bb
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flag dirtbunny55
Posted: Oct 15, 2014 at 12:43 Quote
im getting a new frame which requires a bmx 68mm press fit bb.
i have 22 mm spindle singlespeed slx cranks.
will this fit or should i buy bmx cranks?
thx
flag Qranger1980
Posted: Oct 15, 2014 at 20:09 Quote
dirtbunny55 wrote:
im getting a new frame which requires a bmx 68mm press fit bb.
i have 22 mm spindle singlespeed slx cranks.
will this fit or should i buy bmx cranks?
thx
as far as I know , Shimano cranks come with 24mm spindle, BTW I run my XT cranks on a spanish BB frame
flag cmc4130
Posted: Oct 16, 2014 at 10:57 Quote
Spanish bb's are designed for 19mm or 22mm spindles:
http://www.empirebmx.com/catalog/bottom-bracket-stuff
flag cmc4130
Posted: Oct 16, 2014 at 12:28 Quote
dirtbunny55 wrote:
im getting a new frame which requires a bmx 68mm press fit bb.
i have 22 mm spindle singlespeed slx cranks.
will this fit or should i buy bmx cranks?
thx

Which frame are you getting?

Some frames require a small sprocket, ie 28t or less. Some MTB cranks, the smallest chainring is 32t or maybe 30t.

So BMX or BMX-style mtb cranks might be best.

https://www.pinkbike.com/forum/listcomments/?threadid=142720
flag dirtbunny55
Posted: Oct 16, 2014 at 12:35 Quote
i have a 2013 leaf cycles ruler (psychedelic hazeDrool )
the guy i bought my bike from probably modified the cranks to a 22 mm spindle.

*edit: found this on the leafcycles site:
Kettenblatt: 30 Zähne
which means: chainring:30 teeth
flag cmc4130
Posted: Oct 16, 2014 at 12:59 Quote
I run 30/14 on a Black Market Mob with Profile bmx cranks with 6" spindle. The Mob has a 73mm bb shell and euro bb.
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