Posted by: [email protected]
I decided to do a teardown of the Reign's suspension pivots to see how things are after ~2.5 year and to check the bearing sizes so I can order some spares.
1st observation: this is probably the best aligned full suspension frame I've owned.
Most of the bearings are still spinning fine, no play anywhere, but the ones in the lower shock mount are getting a little rough. They'd probably last a while longer but I think I rather be safe than sorry and replace them now. The lower shock mount shares a pivot with the lower rocker link so there are a lot of moving parts working their forces on that pivot.
Question for those with carbon frames:
I've replaced pivot bearings on all my previous aluminum frames and always used a retaining compound (Loctite 6XX) when seating the new bearings.
Do you use any grease, primer, or retaining compound when pressing bearings into a carbon frame?
I hadn't been able to find the bearing sizes online so I'm including them here for future Google searchers:
2020 Giant Reign Advanced Pro 29 suspension pivot bearings:
Sounds like same bearings as the previous gen. Also only lower shock mount that would wear out on my old carbon Reign, carbon Trance too. Changed that same shock bearing whenever it got crunchy. Changed all the rest once too, it was a total waste as they were all mint.
Probably obsolete info, but older Reign was:
6802VRS x 4 Bottom of shock/front Maestro link pivot (2 in frame, 2 in Maestro link)
6902VRS x 2 Rear Maestro link/chainstay pivot
608VRS x 2 Top of shock/front of rocker plate pivot
6900VRS x 4 Rocker plate/seat tube pivot and rear rocker plate/seat stay pivot
Seems like info that my brain would retain...can't remember for sure if I put anything on bearings. Think I just used some white grease. Probably same grease (from same tube) I've used for past couple of decades for bearing changes. I know that's what I also used on aluminum frames anyways.
Wasn't it debunked that bicycle grease can hurt carbon frames?