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  1. #1
    mtbr member
    Join Date
    Jan 2004

    Replacing bearings in Gemini freehub body...

    I've got a Gemini 2000 with a Thru 12 hub/axle. Has anybody stripped one of these down for servicing or replacing bearings?

    I've been able to take the freehub off but can't see away of getting the cartridge bearings out. See the pictures below...where the pen is pointing is a small metal "rim" around the inside of the freehub - this is preventing me drifting the bearing out and there doesn't appear to be away to remove the rim (It's not a circlip)

    The other photo shows the other end of the freehub - it's one piece and there isn't any space to drift the bearings out of this side.

    BTW: there are two 6803RS bearings plus a spacer still in the freehub

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  2. #2
    Drinkin' the 29er KoolAid
    Reputation: kwarwick's Avatar
    Join Date
    Jun 2004
    Hard to be sure from your pictures, but that rim that your pen is pointing at doesn't appear to be preventing the bearings from being pushed out. Looks like those cartridge bearings have very thin inner and outer shells and what you see from the front is the whole bearing. I would use a deep socket and a hammer to drift the two bearings and spacer out from the backside. Only do this if you have replacement bearings because you'll be pounding on the inner race of the 2nd bearing which will likely damage it.

    You could always try calling Cannondale and see what they say?

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