Technical & Reference Section > Tech and Restoration

bottom bracket confusion... help :)

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mattuk:
now im even more confused   i have some cups already but i couldnt get the bearings into them as its too tight... tried a hammer and fooked the bearings.... i even sanded down the inside of cups to give the bearing mor room to go in!   no chance at all. so somethings wrong somewhere

thats why i thought bin it all and buy a new whole set  :(

fugazi:

--- Quote from: Betty on April 11, 2011, 06:03 PM ---Cheap as chips...  :daumenhoch:

http://cgi.ebay.co.uk/bmx-bike-diamondback-sealed-bearing-bottom-bracket-bmx-/270734022117?pt=UK_sportsleisure_cycling_bikeparts_SR&hash=item3f090155e5#ht_600wt_905





--- End quote ---

That's what I was trying to find  :daumenhoch: a warning though I used those in a Standard TRLS250 frame & they were very tight, even after sanding the black off the cups.

mattuk:
cheers betty, think we have a winner there!    the grenn buts will be covered up though when fitted as that would look a bit gay!

that def right size blah blah blah

i fookin hate BB...... the only part of a bmx that drive me nuts with rage trying to fit   !!!!

Betty:

--- Quote from: mattuk on April 11, 2011, 06:04 PM ---now im even more confused   i have some cups already but i couldnt get the bearings into them as its too tight... tried a hammer and fooked the bearings.... i even sanded down the inside of cups to give the bearing mor room to go in!   no chance at all. so somethings wrong somewhere

thats why i thought bin it all and buy a new whole set  :(

--- End quote ---

They are a tight fit in the cups, you're best off using a vice to press them in

mattuk:
fugazi.... dont like sound of that at all!!!   i just want somethings thats goona fit in easy with minimal stress  haha

you thinking the gusset ones then for £19.99 with free delivery?

see link   http://cgi.ebay.co.uk/GUSSET-USA-EXP-Sealed-BMX-Bottom-Bracket-Set-19mm-/120648763250?pt=UK_sportsleisure_cycling_bikeparts_SR&hash=item1c173a0772

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