Dynamo hubs

What sort of problems happen? I've recently built a 24h SON hub, but ran out of tubeless tape and haven't fitted it to anything yet

@platypus might be referring to my whinge about a 24h sp9 on here a while ago. 24h really is too few for me.

I had built the 24h SP9, laced to a 38mm deep carbon rim, for a rim-brake & mudguards setup with very tight clearances. The sp9 has quite a lot of spacer/flanges close together, and so the spoke angle is quite shallow. I think the flange spacing, with 24 spokes proved too narrow to stop the rim from flexing at the top, pushing into the brakes/mudguard when I climbed out of the saddle and flopped the bike around a bit.

I’m heavyish. Apparently carbon rims flex differently from alu, meaning the most likely place they’ll egg out under load is at the top. If I’d lost weight, or used an alu rim, or disc brakes, more spokes, more clearance, the problem would have gone away. I built another wheel, 28spokes, with a wide-body SON hub (flanges as far apart as possible). The problem went away.

If you avoid my sorts of requirements for the Shutter hub it’ll probably be fine. SON can be serviced for a max £60 in Germany.

You pays your money...