BB drop on fs bike & running fat bike as 29er

7 posts & 4 voices | Started 3 months ago by cynic-al | Latest reply from thomthumb

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cynic-al - Member

You may recall my DIY fat full suss bike. I was wondering about putting 29er wheels on it and using it year round as my full suss (replacing my Heckler). The angles are spot on, however the BB is 50mm ABOVE the hub centres (I've just checked and the Pugsley has a 55mmdrop, my Heckler 0mm)

I can't tell how it would really ride on 29er wheels (cost would be £150ish, tho it does feel high even on 4" tires which drop the BB lower.

Any thoughts?

P1000006 by alan cole, on Flickr

Posted 3 months ago #
epicyclo - Member

What's wrong with it as a fatbike?

Posted 3 months ago #
cynic-al - Member

Nothing.

Posted 3 months ago #
cynic-al - Member

*bump*

Posted 3 months ago #
druidh - Member

Is that the sound of the rear tyre hitting the frame??

Posted 3 months ago #
cynic-al - Member

No, I did the sums

Posted 3 months ago #
thomthumb - Member

i can't see that the wheel diameter should change the ride (with regard to bb drop) hub centres and bb drop will be fixed & independent of diameter.

having ridden my brothers trials bike which had around 50 mm -ve bb drop (ie 50 above) it was very unstable. lovely on one wheel; awful on two.

Posted 3 months ago #

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