I am looking into replacing the wheels bearings on both sets of my bontrager wheels with ceramic bearings but as silly as this may sound I cannot get into the hubs. Is there anyone out there that can help me?
Try contacting Carl from Trek on this forum. He may have some insight into the Bontrager wheels.
I’m interested in this as well. I have a set of RXL’s and couldn’t figure out how to get the hubs open either. Im starting to think that maybe these hubs are completely sealed off and bearings can’t be replaced…
This is the official answer.
Beyond that, there’s always Google. Various vids and posts out there, none of which I can vouch for.
Carl
Can you at least advise me how to get into the hubs?
I don’t want to risk putting you in a warranty-voiding situation, so no, sorry.
I understand thank you Carl
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I am looking into replacing the wheels bearings on both sets of my bontrager wheels with ceramic bearings but as silly as this may sound I cannot get into the hubs. Is there anyone out there that can help me?
Why bother? Ceramic bearings in bike applications are basically “snake oil” anyway.
I got plenty of wheels and would be more than happy to void my warranty on these RXLS as my 11spd hub is coming loose on my rear wheel and I need to figure out how to secure it again. I try to never take my equipment to the local bike shops and do most work to them myself due to poor experiences. I’d like to learn how to work on these myself and become familiar with how they’re put together. Any help appreciated! 
I don’t know if your specific issue would be addressed here, but the Park Tool how-to’s are a great resource for general service knowledge.
Yeah Its really just these RXL’s that are giving me a hard time… The hub wiggles when the wheel is out of the dropouts. I looked for a way to tighten it but 5mm hexes dont fit into the ends and the hub seems pretty much sealed off… so I really just did not know where to begin on how to take apart or put together this RXL hub.