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Bottom bracket installation advice needed  RSS Feed

#1 2019-09-20 10:26am

jberg27
Pro Member
From: Phoenix, AZ
Registered: 2017-05-28
Posts: 458
Bikes: 31

Bottom bracket installation advice needed

Before I try to force this in any more I wanted to get advice from the group.  I’m trying to install this BB on a frame that’s never had one installed.  I haven’t had one this hard to get on before.  There isn’t a chance I have the wrong size here?  I apologize in advance if this is a stupid question.  Thank you!

http://uploads.bmxmuseum.com/user-images/243454/a953598e-cbbf-465c-9c31-90508be5bd265d850bc06a.jpeg
http://uploads.bmxmuseum.com/user-images/243454/b9da5d97-8f3b-4dc5-8fca-35cd88caa44c5d850bc1d6.jpeg

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#2 2019-09-20 10:32am

troynlori
Moderator"Pedal Peddler"
From: Virginia Beach, VA
Registered: 2009-11-22
Posts: 15398
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Re: Bottom bracket installation advice needed

Looks right, but make a tool.

3/4" trheaded rod, 1 foot

nuts

Fender washers

Large rubber gaskets or wood blocks.


Hutch Fun Facts: All main line Hutch's with digits only S/N (no letters or baseballs) on the rear drop outs were US made and had their dropouts stamped between late '83 and '86.  Obviously the frame manufacture would occur slightly after that, even if they just threw 'em in a bucket randomly.  There is an obvious date code in that the first 2 digits seem to be the month and the 3rd digit is pretty obviously the last digit of the year running from '83-'86.

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#3 2019-09-20 10:34am

Scraplord
Pro MemberTaste My Metal
From: Portland, OR
Registered: 2006-12-11
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Re: Bottom bracket installation advice needed

troynlori wrote:

Looks right, but make a tool.

3/4" trheaded rod, 1 foot

nuts

Fender washers

Large rubber gaskets or wood blocks.

That`s a lot of unnecessary work. Just put it in a vice or use a dead blow hammer.
And be prepared to take it in and out repeatedly until you get the tube spacer just the right length.


Still searching for my missing bikes from BITD. 1979 Blue Max serial: CI9 221346 and 1977 Webco serial: 42667. Both were last seen at Spoke and Sport Bicycles in Spokane, WA around 1984. $600 reward if found!!

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#4 2019-09-20 10:37am

jberg27
Pro Member
From: Phoenix, AZ
Registered: 2017-05-28
Posts: 458
Bikes: 31

Re: Bottom bracket installation advice needed

Thank you! Helps to know I don't have the wrong (bike) parts.  Does it help at all to grease the parts or not?

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#5 2019-09-20 10:37am

jberg27
Pro Member
From: Phoenix, AZ
Registered: 2017-05-28
Posts: 458
Bikes: 31

Re: Bottom bracket installation advice needed

-

Last edited by jberg27 (2019-09-20 10:37am)

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#6 2019-09-20 10:39am

Scraplord
Pro MemberTaste My Metal
From: Portland, OR
Registered: 2006-12-11
Posts: 13279
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Re: Bottom bracket installation advice needed

jberg27 wrote:

Thank you! Helps to know I don't have the wrong (bike) parts.  Does it help at all to grease the parts or not?

It would help yes. Especially the tube spacer and spindle.


Still searching for my missing bikes from BITD. 1979 Blue Max serial: CI9 221346 and 1977 Webco serial: 42667. Both were last seen at Spoke and Sport Bicycles in Spokane, WA around 1984. $600 reward if found!!

  "Have you ever noticed that other people`s stuff is shit and your shit is stuff?" - George Carlin

WANT TO BUY 26" COOK BROS 3 BAR CRUISER!!

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#7 2019-09-20 10:44am

troynlori
Moderator"Pedal Peddler"
From: Virginia Beach, VA
Registered: 2009-11-22
Posts: 15398
Bikes: 11
For Sale: 122

Re: Bottom bracket installation advice needed

You should never have to take a BB out to recheck the tube spacer.  Learn to measure the gap before you put it in.  One and done.


Hutch Fun Facts: All main line Hutch's with digits only S/N (no letters or baseballs) on the rear drop outs were US made and had their dropouts stamped between late '83 and '86.  Obviously the frame manufacture would occur slightly after that, even if they just threw 'em in a bucket randomly.  There is an obvious date code in that the first 2 digits seem to be the month and the 3rd digit is pretty obviously the last digit of the year running from '83-'86.

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#8 2019-09-20 11:00am

BRICKOS2
Pro MemberTHIRSTY
From: SoCAL
Registered: 2013-07-14
Posts: 11671
Bikes: 23
For Sale: 19

Re: Bottom bracket installation advice needed

Is there a spacer in there ATM...?

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#9 2019-09-20 11:07am

Atrains89
Pro Member
From: Joisey - New
Registered: 2018-10-13
Posts: 412
Bikes: 4
For Sale: 9

Re: Bottom bracket installation advice needed

Check the diameter of the bottom bracket as well. Make sure it’s round. I had a GT Pro Series TM I was restoring for somebody and it took me a few minutes to figure out that his bracket was oblong and out of round. I had to shave the cups a bit to make them fit (press fit) and then polish the ID of the cups so bearings would go in. The bike was built for carpet queen with some riding around his neighborhood so I wasn’t concerned with any issues that we faced.

I agree with making a tool. Two blocks of wood (2 x 4) and a few large washers with 7/8” diameter stud bolt and nuts will pull the cups in.

http://uploads.bmxmuseum.com/user-images/256245/0465e25c-3ced-45d8-9ea4-05adec23956c5d85153855.jpeg

Grease is always your friend.

Measure the parts before you start with a caliper to make sure you don’t have a 10 lb cat and a 5 lb bag.

Regards,

Atrains89


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#10 2019-09-20 11:25am

TrulyOdd
Pro Member
From: Los Angeles, CA
Registered: 2007-09-19
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Re: Bottom bracket installation advice needed

Grease the cups and inside of frame before you install.


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#11 2019-09-20 1:23pm

Maiden DB fan
Pro MemberBMX To The Hills
From: Phoenix area Arizona
Registered: 2017-07-25
Posts: 2925

Re: Bottom bracket installation advice needed

New Cups(Modern Mfg) and NOS Frame MAY Make this Task a Royal Pain in the A**!  winkhmm

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#12 2019-09-20 1:36pm

brettweir89
Pro MemberROA DAE O
From: NW Indiana
Registered: 2013-08-26
Posts: 2180
Bikes: 3
For Sale: 4

Re: Bottom bracket installation advice needed

This is DIY bottom bracket installation tool I made for like $8 at the local hardware store. Note this is for MID BB's but same basic concept.

Also, grease! BB shell and the cups. Make installation and removal easier, and prevent seizing of parts in the future.

Hold the spacer against the bearings/cups and hold up to the BB shell on the frame, this will check the spacer length

Patience above all.

http://uploads.bmxmuseum.com/user-images/199820/15d85379cb4.jpg

Last edited by brettweir89 (2019-09-20 6:39pm)


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#13 2019-09-20 4:31pm

jberg27
Pro Member
From: Phoenix, AZ
Registered: 2017-05-28
Posts: 458
Bikes: 31

Re: Bottom bracket installation advice needed

Mission accomplished, thank you everyone for your help!  Mark, sorry I missed your call.

http://uploads.bmxmuseum.com/user-images/243454/344158d2-cc8e-4c91-9304-ef335d827aab5d8561542d.jpeg
http://uploads.bmxmuseum.com/user-images/243454/467dcc4b-2ff6-4747-ad45-620002b533845d85615303.jpeg

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#14 2019-09-20 4:46pm

Maiden DB fan
Pro MemberBMX To The Hills
From: Phoenix area Arizona
Registered: 2017-07-25
Posts: 2925

Re: Bottom bracket installation advice needed

jberg27 wrote:

Mission accomplished, thank you everyone for your help!  Mark, sorry I missed your call.

http://uploads.bmxmuseum.com/user-image … 1542d.jpeg
http://uploads.bmxmuseum.com/user-image … 15303.jpeg

As Long As Ya Accomplished the GOAL Jason! wink smile

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#15 2019-09-20 4:52pm

FRESSTYLE FREEK
Pro Member(fantstik Spellr)
From: Fountain Valley, CA
Registered: 2007-06-28
Posts: 21211
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For Sale: 1

Re: Bottom bracket installation advice needed

jberg27 wrote:

Thank you! Helps to know I don't have the wrong (bike) parts.  Does it help at all to grease the parts or not?

yes grease or light  oil .

troynlori  is wright  make one of these home made bearing press.


http://uploads.bmxmuseum.com/user-images/6905/dsc024215d85663263.jpg


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#16 2019-09-20 5:15pm

Atrains89
Pro Member
From: Joisey - New
Registered: 2018-10-13
Posts: 412
Bikes: 4
For Sale: 9

Re: Bottom bracket installation advice needed

Ok whiskey time


I don’t care what you say....Day Glo pink is for men!

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#17 2019-09-20 5:20pm

troynlori
Moderator"Pedal Peddler"
From: Virginia Beach, VA
Registered: 2009-11-22
Posts: 15398
Bikes: 11
For Sale: 122

Re: Bottom bracket installation advice needed

Being a square taper crank, I assume you didn't need/have a spacer, so that part of the conversation was moot.


Hutch Fun Facts: All main line Hutch's with digits only S/N (no letters or baseballs) on the rear drop outs were US made and had their dropouts stamped between late '83 and '86.  Obviously the frame manufacture would occur slightly after that, even if they just threw 'em in a bucket randomly.  There is an obvious date code in that the first 2 digits seem to be the month and the 3rd digit is pretty obviously the last digit of the year running from '83-'86.

Online

 

#18 2019-09-22 2:25pm

Scraplord
Pro MemberTaste My Metal
From: Portland, OR
Registered: 2006-12-11
Posts: 13279
Bikes: 16
For Sale: 26
Website

Re: Bottom bracket installation advice needed

It should be mentioned: never grease the square part of the spindle where the cranks attach. The cranks go on dry.


Still searching for my missing bikes from BITD. 1979 Blue Max serial: CI9 221346 and 1977 Webco serial: 42667. Both were last seen at Spoke and Sport Bicycles in Spokane, WA around 1984. $600 reward if found!!

  "Have you ever noticed that other people`s stuff is shit and your shit is stuff?" - George Carlin

WANT TO BUY 26" COOK BROS 3 BAR CRUISER!!

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#19 2019-09-27 4:15am

80srock
Pro Member
From: SE Michigan
Registered: 2018-06-27
Posts: 252
Bikes: 3

Re: Bottom bracket installation advice needed

No, no, no, NO!. 

1. BUY THE RIGHT TOOL man... there's no excuse.  I've gotten MILLIONS of HACKED up parts from HACKS using hammers on things.  DO IT THE RIGHT WAY MAN.  The Bikehand headset/bb install press can be found for around 45 dollars if you look; and slightly cheaper versions exist.  Trust me you're going to THINK this is or will be a one time deal but if you're on this site it's not going to be.  You will be using this tool more than you think.  I've purchased this tool last year and have already used it a countless amount of times.  QUIT BEATING BMX PARTS WITH HAMMERS! 

2. Measuring is worthless; parts contract or squeeze when you press things.  The clearances required to get a firm fit without any bearing cartridge binding is veeeery slight; it will take a few times to make a few adjustments.  Get a headset cup / bottom bracket cup remover so you're not smacking these soft aluminum parts with hammers and punches.  Just do it right trust me.  If you ever want to sell this stuff you're going to lose money when people see all your dents and hammer marks.  Not worth it.  If you're going to work on bikes just buy the tools; you can ALWAYS sell them.  Most decent tools don't depreciate that much if you ever decide to sell them.


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#20 2019-09-27 4:20am

Kurt_Rad
Pro Member“The Hammer”
From: Other
Registered: 2011-01-10
Posts: 38674
Bikes: 78
For Sale: 5
Website

Re: Bottom bracket installation advice needed

80srock wrote:

No, no, no, NO!. 

1. BUY THE RIGHT TOOL man... there's no excuse.  I've gotten MILLIONS of HACKED up parts from HACKS using hammers on things.  DO IT THE RIGHT WAY MAN.  The Bikehand headset/bb install press can be found for around 45 dollars if you look; and slightly cheaper versions exist.  Trust me you're going to THINK this is or will be a one time deal but if you're on this site it's not going to be.  You will be using this tool more than you think.  I've purchased this tool last year and have already used it a countless amount of times.  QUIT BEATING BMX PARTS WITH HAMMERS! 

2. Measuring is worthless; parts contract or squeeze when you press things.  The clearances required to get a firm fit without any bearing cartridge binding is veeeery slight; it will take a few times to make a few adjustments.  Get a headset cup / bottom bracket cup remover so you're not smacking these soft aluminum parts with hammers and punches.  Just do it right trust me.  If you ever want to sell this stuff you're going to lose money when people see all your dents and hammer marks.  Not worth it.  If you're going to work on bikes just buy the tools; you can ALWAYS sell them.  Most decent tools don't depreciate that much if you ever decide to sell them.

All the advice he received was sound. Hundreds of members here have been doing it this way.

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#21 2019-09-27 5:00am

affordablepmc
Pro MemberCollector of Things
From: High Sierra Madre NM
Registered: 2014-09-02
Posts: 2048
Bikes: 3
For Sale: 11

Re: Bottom bracket installation advice needed

Atrains89 wrote:

Ok whiskey time

lol


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