I don't have my Renn disc anymore, but years ago, that happened to me. There's a setscrew on the carrier somewhere that just needs tightening. The screw goes against a small flat on the axle body. If the screw gets looser, you'll be able to slide the carrier off completely. Perhaps a drop of loctite is called for. No worries when the wheel is on your bike as the QR will keep it snug.

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Proud member of FISHTWITCH: doing a bit more than fish exercise now.

Spot on HalfSpeed. Thanks!

Help

Does anyone know what make or who makes that free hub body for the Renn 575? I am trying to convert to 11 speed and they say to send it in to them to get cut for $50 not sue I want to do that would rather replace it. Any thoughts?