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Noob Help!

#1 2013-01-25 3:47pm

gmmeyerIII
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From: New Orleans, La.
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Noob Help!

81 Mongoose
Wishing to install Super Maxy Cranks
Purchased the sunlite bottom bracket conversion kit. The spindle not long enough to tighten bearings properly.
Is there another conversion kit i could use?
Does the YST sealed Bmx bottom bracket work better?
Is this the correct one?http://www.porkchopbmx.com/YST-square-taper-spindle-BB-BMX-conversion-kit-SEALED-BEARING-BBIM8302SB.htm
Any help appreciated!

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#2 2013-01-25 8:54pm

skdevore
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From: Claremont, CA
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Re: Noob Help!

I believe the YST spindle is 110 milimeters long,  for reference you can measure the one you are using now and compare.
Hope that helps


There's no help for this Museum Junkie!

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#3 2013-01-26 4:32am

gmmeyerIII
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From: New Orleans, La.
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Re: Noob Help!

The spindle if of optimim length. I have perfect clearance on the frame with cranks and chainring. The threads on the spindle are to far recessed to allow proper adjustment of the bearing tensioners that will hold the spindle in place.
Any other thoughts.
Any one?

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#4 2013-01-26 5:19am

Coco
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Re: Noob Help!

I'm unsure what the sunlite BB is but I used one of the YST ones you listed from Porkchop on some Cook Bros cranks and the spindle width is perfect at 127mm.

So, are the threads on your crank spindle not long enough to properly tighten the bearing cones down enough? I'm not quite sure what you're asking.

Last edited by Coco (2013-01-26 5:20am)

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#5 2013-01-26 6:54am

aserek
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From: Lancaster, PA
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Re: Noob Help!

All my bikes but 1 run the yst bb. To be honest i like them and they havent failed me yet. For 18 $ cant go wrong with yst.

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#6 2013-01-26 7:06am

aserek
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Re: Noob Help!

Ha. Didnt realize they made a sealed bearing yst bb. I only  run the caged bearing ones i get from my lbs. Good luck.

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#7 2013-01-26 7:40am

chkn4130
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Re: Noob Help!

Are the bearings facing the right way? Post a picture. I need to visualize smile

Last edited by chkn4130 (2013-01-26 7:41am)


When I'm not riding BMX my other ride is a Husaberg FE 390.

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#8 2013-01-27 5:44pm

gmmeyerIII
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From: New Orleans, La.
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Re: Noob Help!

Coco wrote:

I'm unsure what the sunlite BB is but I used one of the YST ones you listed from Porkchop on some Cook Bros cranks and the spindle width is perfect at 127mm.

So, are the threads on your crank spindle not long enough to properly tighten the bearing cones down enough? I'm not quite sure what you're asking.

correct!
see images
http://i1356.photobucket.com/albums/q736/gmmeyerIII/IMG_4666_zps55f04743.jpg
http://i1356.photobucket.com/albums/q736/gmmeyerIII/IMG_4662_zpsc4f789ab.jpg
http://i1356.photobucket.com/albums/q736/gmmeyerIII/IMG_4660_zps77fb9c34.jpg
http://i1356.photobucket.com/albums/q736/gmmeyerIII/IMG_4658_zps33983401.jpg
http://i1356.photobucket.com/albums/q736/gmmeyerIII/IMG_4656_zpscc671512.jpg

I cannot screw the bearing races is far enough. it almost seems the bearing cups are deep enough.
The spindle is actually correct length. Perfect clearance for crank arms to frame.
Notice the space between the black seal and the bearing race on drive side.
i left seal off other side to see the clearance in cup.

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#9 2013-01-27 5:59pm

dedmann
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Re: Noob Help!

thats was a new bb?
it looks like the races and bearing are wrong for each other?
maybe... those cups dont belong? hmm


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#10 2013-01-27 6:06pm

gmmeyerIII
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From: New Orleans, La.
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Re: Noob Help!

yes it was a complete set.
http://spookytoothcycles.com/component/ … gory_id=91
like the one posted above.

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#11 2013-01-27 7:21pm

chkn4130
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Re: Noob Help!

Try flipping the bearings. They look like there not seating properly. Or you have the wrong bearings.

Last edited by chkn4130 (2013-01-27 7:28pm)


When I'm not riding BMX my other ride is a Husaberg FE 390.

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#12 2013-01-28 7:23am

SoGnarly
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Re: Noob Help!

Try removing the spindle and installing a cup, bearing and cone on one side, does the black seal sit flush?   If not, sounds like the cups/cones/bearings are mis matched.


WTB - Blk/wht Checker Seat Cover

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#13 2013-01-28 8:00am

gmmeyerIII
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From: New Orleans, La.
Signed up: 2012-12-14
Posts: 15
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Re: Noob Help!

I've switched bearings around, change race  from one side to the other.
Something is just not right.
I cannot figure it out. I am ordering the YST sealed bearings and leaving this frustration behind.
Thanks for all the input though.

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#14 2019-11-25 6:56am

astroidbeltwalker
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From: mount kisco
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Re: Noob Help!

cool


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#15 2019-11-25 8:20am

MAIDEN GT fan
BMX To The Hills
From: Phoenix area Arizona
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Re: Noob Help!

This Thread Is Almost 7 YEARS OLD! roll And The OP Hasn't Been On The Musm SINCE!! hmm


Up The IRONS!!

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