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04 IH SGS-Pro Crank/BB upgrade

780 views 8 replies 6 participants last post by  uncle-mofo 
#1 ·
My ride is a 2004 Ironhorse SGS-Pro.

I want to upgrade my tired drive train.

Does anyone know BB (width and spindle length) will work for this frame? Someone told me that the sizing was a little different and can limit my choices.

Thanks
 
#6 ·
Thanks everyone for the replies. Helps me source a new BB for the rig. Time for a winter breakdown and overhaul. Still a great frame for the age.

And speaking of aged rigs, just picked up a 04 Demo 9 at a deal I could not pass up. Awesome condition. I'll be probing around for tips on that too.

thanks again.
 
#8 ·
really? every 100mm Platinum DH ISIS BB I ran developed play during the first ride.they span freely for years with the play gradually getting worse and worse - never actually failed as such.

Nuckaman - you must like your meaty frames, the SGS is by far the heaviest frame I've ever had, and I think a demo9 is even heavier.
 
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