Bearing Help - 2010 Stumpy FSR Carbon (BB-91)

jmillen

Evening folks,

Really hoping someone can help me here, I've done a search and looked on google, but confused as to what I need.

I have a 2010 Stumpy FSR carbon which is listed as having a "Custom Shimano BB-91, OS, press-in bearing" and Shimano FC-M762 H2 chainset. I'm in the process of stripping my bike and I've just got to the BB/crank etc. Having pulled the chainset off, the bearing which is still on the axle is obviously in need of replacement.

Now looking at the bearing itself it says "Sunhill 6805-RD A664". Is this a cheap Shimano alternative?

My options for replacement as I see them are:

> Replace the BB with another BB-91
> Replace the pair of bearings with something better. Would the below be suitable?
http://www.mountainbikecomponents.co.uk/items.asp?CategoryID=237&Name=Hollowtech+II+bearing+upgrade

You comments/advice would be much appreciated.

Thanks in advance

**Edit - Okay, so having continued to read the forum/google after posting this, it seems that the advice would be to just buy the new BB-91...? Alternatively go over to Hope if you have money to burn?