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Thank you, lower bearing was completely seized in place so it’s currently soaking in penetrating fluid at the bike shop.
Next stop on the TT bike service is to check and grease all the bolts in the cockpit. All going well until the female part of the threads started stripping with almost no pressure (torque wrench set to 3nm but stripped before that). They were stiff to remove and now 3 out of 4 are gone and I’m scared to try the 4th more than finger tight. Is this a corrosion (sweat?) thing? Visually they don’t look too bad. Do you think it would be possible to re tap these holes?
Not impressed with £90 to buy replacement parts!
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ewanmac
gbj_tester
IS41, the OEM one is FSA. There are a few variations in bearing thickness for the cartridges, so measure and check. The upper isn't a problem because you can just shim it and get the right cover depth from me if necessary, but the lower needs to be the same height from the bottom of the crown race to the top of the bearing as the OEM one, or you get either a big gap between fork crown and frame or worse no gap at all.