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Will my bottom bracket fit?
#1
I have chosen a frame for my single speed build but will this bottom bracket fit it?
Frame-
http://www.nashbar.com/webapp/wcs/stores/servlet/mProduct4_10052_10053_516649_-1_catNav

Bottom bracket-
http://www.nashbar.com/webapp/wcs/stores/servlet/mProduct4_10052_10053_536893_-1_catNav

Also will whis crankset for that bottom bracket?
Crankset-
http://www.nashbar.com/webapp/wcs/stores/servlet/mProduct4_10052_10053_501424_-1_catNav
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#2
your frame and crank says you need a 68 x 108mm Bottom bracket.
your link is to a 113mm long BB
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
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#3
(01-13-2013, 07:30 PM)painkiller Wrote:  your frame and crank says you need a 68 x 108mm Bottom bracket.
your link is to a 113mm long BB

Thanks! I couldn't seem to find it anywhere haha
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#4
Not a problem, I prefer bottom brackets with alloy cups on both sides, some have plastic and can be a nightmare years down the road. Be sure to lube all surfaces well and use proper tools for your build.
And it is the law that you must keep us up to date with pics and stuff along the way ! Smile have fun
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
  Reply
#5
(01-13-2013, 08:10 PM)painkiller Wrote:  Not a problem, I prefer bottom brackets with alloy cups on both sides, some have plastic and can be a nightmare years down the road. Be sure to lube all surfaces well and use proper tools for your build.
And it is the law that you must keep us up to date with pics and stuff along the way ! Smile have fun

I'll be sure to look into that! Seeing as I am new to this is the 108mm the spindle length? Also is a square taper a good idea for a build or should I look into other types?
  Reply
#6
yes, 108 is spindle length as determined by the crank you gave the link to. 68 is the width of the BB shell on the frame you gave the link to.
square taper is fine as any other. If you change your mind on cranks and frames you will have to spec the proper Bottom bracket again.
just remember this.. the frame determines the shell width and the crankset determines the spindle length
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
  Reply
#7
(01-13-2013, 08:31 PM)painkiller Wrote:  yes, 108 is spindle length as determined by the crank you gave the link to. 68 is the width of the BB shell on the frame you gave the link to.
square taper is fine as any other. If you change your mind on cranks and frames you will have to spec the proper Bottom bracket again.
just remember this.. the frame determines the shell width and the crankset determines the spindle length

That is just what I needed to know! Thanks
  Reply
#8
Just to be absolutely sure the bottom bracket below would fit both the frame and crankset from my original post right?
http://www.modernbike.com/itemgroup.asp?IGPK=2126191263
Forgot the link
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#9
Yes, thats the correct size. The Sinz Ti Pro is the top o line o for the weight weenies. It is my choice for 113mm and under, but if you want to save money and not to concerned about weight, there are others at half the price. It is so pretty with the carbon body it is a shame to hide it in the shell of your frame and the Titanium spindle is nice too

this one would work too
http://www.treefortbikes.com/product/333222382816/116/Shimano-UN55-Square-Taper.html?gclid=CLTO0dna5rQCFexAMgodrmwALg

even though its a 107mm, the thing about single speeds is getting a good smooth chainline. and sometimes you have to try a couple sizes to get it right. tough to do when one does not have a few to try out ( like a shop ). so I would go with a good cromo spindle thats cheaper til you know before the $100 slam on one that works on paper and then realize it could be fine tuned a bit
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
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#10
Is there any way to find out what would give you the best chain line without trying several? And what negative effects could a bad chain line have on the ride?
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#11
check around this site for ideas
http://sheldonbrown.com/chainline-single.html

it depends on your hubset as some fine tuning can be done at the rear also. maybe someone else will chime in now that we are getting to the nitty gritty of what you are doing.
the negative effects would be faster wear and tear, not as smooth feeling and possibly throwing a chain
There are two kinds of people in the world, "Those who help themselves to people, and those who help people!"
  Reply


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