Stem cap came off…
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Stem cap came off…
I was on a ride (Cannondale Topstone Sora 2019) and noticed my stem cap was missing, somehow popped off and was lost mid ride. I ordered a new one. It’s the kind that screws on over the expander plug, not held in place with the little bolt. Can I just screw the new cap on? Or is there something about preload that I need to worry about? The plug is still tight inside…
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The stem should hold whatever preload in on the fork. I'd worry, though, that if the stem cap unscrewed and fell out then the preload is likely suspect. It's probably worth a trip to the LBS to get a new one and make sure it's installed correctly.
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If I was replacing the entire thing (cap + plug), my understanding is I would use the cap to expand the plug inside the stem, and the torque it to spec using the bolt. But if the cap worked it’s way loose however that happened, and the bolt stayed torqued in the plug, then I would just need to screw the cap back into place. No?