gfxgfx
 
logo
 
gfx gfx
gfx
975792 Posts in 138942 Topics by 6363 Members - Latest Member: Bmxflex November 13, 2024, 01:40 AM
*
gfx* Home | Portal | Forum | Merchandise | Help | Login | Register | gfx
gfx
RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Whats is the best way of fitting a bottom bracket
gfx
gfxgfx
 

Author Topic: Whats is the best way of fitting a bottom bracket  (Read 945 times)

0 Members and 1 Guest are viewing this topic.

hooga1975

  • Guest
Whats is the best way of fitting a bottom bracket
« on: December 18, 2006, 10:22 AM »
I dont want to damage the sealed bearings or cups.  I was thinking about putting them in a vice and gently squeeze them in.  The last set I fitted I banged them in with a hammer and a piece of wood, but I did put a few marks in the bearing cups.  Whats is the best way to do it without causing any damage?

gmac

  • Guest
Re: Whats is the best way of fitting a bottom bracket
« Reply #1 on: December 18, 2006, 10:23 AM »
I use the vice method for sealed bearings. Just make sure yoiu have something soft accross the jaws, like a towel or something.

Offline Mattdub

  • Site Supporter
  • BMX Overlord
  • *
  • Posts: 16702
  • Rated:
Re: Whats is the best way of fitting a bottom bracket
« Reply #2 on: December 18, 2006, 12:59 PM »
I would also consider a local bike shop ( hopefully with a guy you know working there / competant (sp) mechanic ) for BB's & Headsets .

andygti39

  • Guest
Re: Whats is the best way of fitting a bottom bracket
« Reply #3 on: December 18, 2006, 09:50 PM »
best way is to make a pair of aluminium softjaws for the vice, so that when you tighten the vice the aluminium will squash first as its softer  :daumenhoch:

theRuler

  • Guest
Re: Whats is the best way of fitting a bottom bracket
« Reply #4 on: December 18, 2006, 09:51 PM »
massive hammer in each hand

when i nod my head, hit it

daz bmx it!

  • Guest
Re: Whats is the best way of fitting a bottom bracket
« Reply #5 on: December 18, 2006, 09:54 PM »
Ditto!  :2funny:

selfpreservation

  • Guest
Re: Whats is the best way of fitting a bottom bracket
« Reply #6 on: December 18, 2006, 10:08 PM »
bike shop deffo

Offline Moose

  • 540 Air
  • *******
  • Posts: 2328
  • Rated:
Re: Whats is the best way of fitting a bottom bracket
« Reply #7 on: December 18, 2006, 10:19 PM »
Vice, soft-jaws, grease  :daumenhoch:

THE TUF*NECK

  • Guest
Re: Whats is the best way of fitting a bottom bracket
« Reply #8 on: December 18, 2006, 10:21 PM »
heat the frame up with a blow totch put the bearings on a bed of dry ice for 1 hour put them in or is that a bit rough? big hammer wood also works

Offline MartyC

  • Berm Worm
  • ***********
  • Posts: 8755
  • Radder than a Rad thing on a Rad day; maybe?
  • Rated:
Re: Whats is the best way of fitting a bottom bracket
« Reply #9 on: December 18, 2006, 10:21 PM »
Pop the cups inthe freezer for a few hours and then two pieces of wood on either side of the vice jaws and you're away  :daumenhoch:


Better to crash and burn than fade away

Offline OrgasmDonor

  • Berm Worm
  • ***********
  • Posts: 12037
  • I got the sauce for beef butterflies
  • Rated:
Re: Whats is the best way of fitting a bottom bracket
« Reply #10 on: December 19, 2006, 02:25 PM »
freeze cups n use a big fook off wooden mallet, and whack the bejesus out of them until somethin gives, i use this technique on all my builds, its fookin terrifyin but effective :daumenhoch:

hooga1975

  • Guest
Re: Whats is the best way of fitting a bottom bracket
« Reply #11 on: December 19, 2006, 03:49 PM »
I gave up on the vice as it didnt go wide enough.  Whilst rooting around in my old mans shed I found a fook off wooden hammer and smacked the feckers in with it.  Thanks for the tips though fellas :daumenhoch:

login_user

  • Guest
Re: Whats is the best way of fitting a bottom bracket
« Reply #12 on: December 19, 2006, 05:36 PM »
I used a bit of 10mm threaded studing and 2 planed pieces of hard wood with 10mm holes in them and a couple of nuts and washers.Place a nut and washer on one end of the studing then put the studing through one piece of wood then the bearing cup,the frame,the other piece of wood and then the other nut and washer.Do both the nuts up so it pulls the bearing cup into the frame,then do the other side. Simple :D

Hope that makes sense. :daumenhoch:

Offline OrgasmDonor

  • Berm Worm
  • ***********
  • Posts: 12037
  • I got the sauce for beef butterflies
  • Rated:
Re: Whats is the best way of fitting a bottom bracket
« Reply #13 on: December 19, 2006, 07:08 PM »
I gave up on the vice as it didnt go wide enough.  Whilst rooting around in my old mans shed I found a fook off wooden hammer and smacked the feckers in with it.  Thanks for the tips though fellas :daumenhoch:



Thats ma boy :daumenhoch:

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Whats is the best way of fitting a bottom bracket
 

gfxgfx
gfx gfx
Powered by MySQL Powered by PHP Valid XHTML 1.0! Valid CSS!
SimplePortal 2.3.5 © 2008-2012, SimplePortal