[RBW] Re: Bottom Bracket Use Help

2016-04-01 Thread George Schick
Gentlemen, one and all:  just a comment regarding an apparently bygone era 
when things were simpler.  It used to be the case back when rear hubs were 
120mm - 126mm, BB's were asymmetrical.  That is, there was about another 
5mm or so of spindle on the drive side vs. the non-drive.  This difference 
made it much easier to match a crankset up with the freewheel to get a good 
chainline.  And that spacing maintained a good low Q-factor!  Then along 
came the 130mm - 135mm era where the rear dropouts were spread wide enough 
to accommodate 9 - 11 speed cassettes and the BB's became symmetrical to 
accommodate the wider chain stays (which in the case of MTB's seemed 
irrelevant since the crank arms were curved outward to provide for a wider 
"Q-factor" on purpose) and still provide wide enough crank arm clearance on 
either side of the frame.  So, all of this is simply to say that in this 
day and age one is going to run into this kind of problem over and over 
again unless the crankset manf. specifically recommends a BB spindle width 
for a specific rear dropout width.  And it's all across the board!!  I have 
a Surly 1x1, which comes with a 173mm BB shell and a defacto 135mm rear 
dropout width (since it's classified as a MTB) that required 1.5mm of 
spacers on the drive side of the BB just to get the single speed chainline 
even halfway straight and to get the pedals more or less equal distance 
from their associated L & R chain stays.

On Friday, April 1, 2016 at 5:33:26 PM UTC-5, Bill Lindsay wrote:
>
> Just about all bottom brackets that vaguely look the same as your White 
> Industries BB, all are the same size bearing and so have interchangeable 
> spindles.  So, your White Industries spindle is a nice replacement for my 
> old Syncros BB, for example.  What I'm getting at is the usefulness of that 
> spindle is pretty broad and asa result the resale value is pretty decent. 
>  But if you can afford to hold onto it, you might thank yourself in some 
> future project, too. 
>
> best
>
> Bill Lindsay
> El Cerrito, CA
>
> On Friday, April 1, 2016 at 3:27:57 PM UTC-7, Mattt wrote:
>>
>> Gentlemen,
>>
>> Thank you for the advice.  I am going to go with a new spindle length and 
>> not try to rig it and have issues.
>>
>>
>> Matt 
>>
>

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[RBW] Re: Bottom Bracket Use Help

2016-04-01 Thread Bill Lindsay
Just about all bottom brackets that vaguely look the same as your White 
Industries BB, all are the same size bearing and so have interchangeable 
spindles.  So, your White Industries spindle is a nice replacement for my 
old Syncros BB, for example.  What I'm getting at is the usefulness of that 
spindle is pretty broad and asa result the resale value is pretty decent. 
 But if you can afford to hold onto it, you might thank yourself in some 
future project, too. 

best

Bill Lindsay
El Cerrito, CA

On Friday, April 1, 2016 at 3:27:57 PM UTC-7, Mattt wrote:
>
> Gentlemen,
>
> Thank you for the advice.  I am going to go with a new spindle length and 
> not try to rig it and have issues.
>
>
> Matt 
>

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[RBW] Re: Bottom Bracket Use Help

2016-04-01 Thread Mattt
Gentlemen,

Thank you for the advice.  I am going to go with a new spindle length and 
not try to rig it and have issues.


Matt 

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[RBW] Re: Bottom Bracket Use Help

2016-04-01 Thread Brian Campbell
Put the spacer in and give it a try. I doubt it will make the part unsafe 
if you can tighten things down enough.

On Friday, April 1, 2016 at 8:12:07 AM UTC-4, Mattt wrote:
>
>
> I need 2mm more spindle length on a White Industries Bottom Bracket I want 
> to use on my Quickbeam.
>
> Is there danger to use a 2mm spacer that there is not enough thread to the 
> shell?  
>
> I figure it is since spacers are sold.  I called WI and said 1mm is OK 2mm 
> is a little too much.  It sounded like they were being over cautious in our 
> sue happy culture. 
>
> I don't want to buy a new BB and trying to be cheap.  
>
> Thanks for the help,
> Matt
>
>

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