how to replace spindle on 3 piece cranks and american bb

  • Discuss how to replace spindle on 3 piece cranks and american bb in the BMX Bike Tech forum in area BMX-Forum Community; I currently have a haro x1 frame. Now i recently got cranks from a friend but the spindle is a different size. How would i get it off? Just take the... ...
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darkflames

New Member
how to replace spindle on 3 piece cranks and american bb post #1
I currently have a haro x1 frame. Now i recently got cranks from a friend but the spindle is a different size. How would i get it off? Just take the crank arm off and tap the spindle with a mallet? Then when it comes out just slide the other spindle in and put the lock bolt on the non drive side on and and the sprocket and spacers on the drive side?
 
K

knt102000

New Member
how to replace spindle on 3 piece cranks and american bb post #2
no haro x1 i believe has a unsealed bb therefore u have to unthread everything from the left side bb working over to the right side
 
mack_turtle

mack_turtle

New Member
how to replace spindle on 3 piece cranks and american bb post #3
i am not 100% certain, but i would imagine that your bottom bracket is unsealed and has a threaded spindle. those work virtually the same way as the bottom bracket on a one-piece crank, so these instructions should suffice:
http://www.parktool.com/repair/readhowto.asp?id=92
 

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