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what crank is this..

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aronfaro

Vital BMX member aronfaro 115381 aronfaro /images/default/avatar/c50.png https://www.vitalbmx.com/community/aronfaro,115381/all 02/16/15 2 1

Posts: 3

Joined: 2/16/2015

Location: NLD

2/16/2015 8:38 AM

hey guys! im ridin a dirtbike and dont know very much about parts and stuff...
my crank recently came loose and it appears that my bearings need a repclament. but i have no idea which one i need to take..
if im right i have primo excel 36t (175mm) and i've read somewhere that i need 22mm bearings.... if anyone can confirm that i would be really happy!!
here is a pic for if im wrong
im sorry btw for my english.... i'm from the netherlands and I just don't have much knowledge of bikes so correct me if i'm wrong with some stuff ! haha
thanks in advance!Photo

Aron

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eskimojay

Vital BMX member eskimojay 13720 eskimojay https://bmx-media-bucket-photo.s3.amazonaws.com/photos/users/13720/avatar/c50_BABACC89_2E81_45FA_9261_6350AB05DA9E_1641698437.jpg?1641697779 https://www.vitalbmx.com/community/eskimojay,13720/all 01/11/08 24 55 1 https://www.vitalbmx.com/community/eskimojay,13720/setup 140 11105 159 2

Posts: 11245

Joined: 1/11/2008

Location: SOM

2/16/2015 6:34 PM
Edited Date/Time: 2/16/2015 6:35 PM

pinch bolt it's probably a 19 mm spindle , not many 22 or 24s that even have that arm set up if at all , either 19 mm mid or 19 mm American , depends what generation your dirt bike frame is , I actually owned an American bottom bracket dirt bike at one point

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Basement Cat

Vital BMX member Basement Cat 92341 Basement Cat https://bmx-media-bucket-photo.s3.amazonaws.com/photos/users/92341/avatar/c50_funny_horse_1378622029.jpg?1378621595 https://www.vitalbmx.com/community/Basement-Cat,92341/all 04/02/12 https://www.vitalbmx.com/community/Basement-Cat,92341/setup 6 98 1 3

Posts: 104

Joined: 4/2/2012

Location: Ann Arbor, MI USA

2/16/2015 6:55 PM

Measure the inner diameter of the bearing with a ruler. 19mm is about 0.75" 22m is about 0.866" and 24mm is about 0.95"

Whatever inner diameter you measure is what you'll need.

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badlight

Vital BMX member badlight 115122 badlight /images/default/avatar/c50.png https://www.vitalbmx.com/community/badlight,115122/all 02/06/15 23

Posts: 23

Joined: 2/6/2015

Location: CAN

2/17/2015 7:37 AM

Primo Excels used the powerbite spindle, so it is definitely 22mm. LTFO with those cranks, primo didnt make them very long for reasons....

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aronfaro

Vital BMX member aronfaro 115381 aronfaro /images/default/avatar/c50.png https://www.vitalbmx.com/community/aronfaro,115381/all 02/16/15 2 1

Posts: 3

Joined: 2/16/2015

Location: NLD

2/17/2015 4:45 PM

badlight wrote:

Primo Excels used the powerbite spindle, so it is definitely 22mm. LTFO with those cranks, primo didnt make them very long for ...more

...more

well i must say these are the best i have ever had tongue
this bike is pretty old and well .. everything except the wheels and the crank has been replaced .. everything needs a replacement or repair once in a while
but thanks man! you helped me out a lot!!! :D

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