What size BB bearing for an Inbred?

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7 posts & 5 voices | Started 1 year ago by ononeorange | Latest reply from ononeorange

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ononeorange - Member

I know the Inbred BB is 68mm, but does anyone know how the sizing translates to one of those internal square axle bearing things? I know that I could whip the knackered one out and look, but I'd rather do that once I've got the replacement actually in my hands......

Thanks!

Posted 1 year ago #
reggiegasket - Member

depends on the chainset

Most modern chainsets are 110mm but there are variations.

It's a 2 minute job...

Posted 1 year ago #
ononeorange - Member

Middleburn (RS7 I think)....

2 hour job the way I go at these things!!

Thanks Reggie. Will look for a 110mm

Posted 1 year ago #
technicallyinept - Member

Hang on a tick. I'm sure I used a wider axle on my inbred (113mm)

Bit of digging turned up this post http://www.singletrackworld.com/forum/topic/456-chainline-question

Posted 1 year ago #
RestlessNative - Member

Depends what spider you have and what chainline you are trying to get

Middleburn spiders

I actually use a 115mm with an xc spider as I am running 22/36

Posted 1 year ago #
warpcow - Member

113mm is the most common, but a couple of mm's either way can help you sort out the chainline. Middleburn recommend 113mm as standard.

Posted 1 year ago #
ononeorange - Member

Thanks all. Ordered.

Posted 1 year ago #

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