Need help with buying a new b/b and crankarms

PB Forum :: Mechanics' Lounge
Need help with buying a new b/b and crankarms
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flag Andy09
Posted: Sep 1, 2014 at 20:18 Quote
I have a kona entourage.
It has 34t chain ring gravity gap cranks and a fsa 83mm bb

Can i install a 36t shimano zee with a 68/73 bb or do i need a 83mm bb

Hope you understand what i am saying. I'm pretty confused on this whole system!
Thanks
flag jahspliff
Posted: Sep 1, 2014 at 20:37 Quote
You will definitely need the 83mm version.
flag TwoWheelMike
O+
Posted: Sep 1, 2014 at 23:21 Quote
68/73, and 83mm are frame requirements. The entourage utilizes a 83mm bottom bracket shell (the width measured across the bb shell with the actual bb removed.) if you were to try and use a crank and bb designed around the 68/73mm system, you would find that your spindle is too short. Meaning you don't need an 83mm bb, but you need a crank designed around an 83mm bb.
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