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If you’re mechanically minded, I’d say take it apart and attempt a fix. You’ll need penetrating fluid and a pin spanner, and you’ll want a tray or other lipped surface on which to work. You may need a vice, chain whip, or other instrument to hold onto the cog body.
If the insides are like the Italian and Japanese ones I’ve taken apart: Copious penetrating lube to prep the cover. Pin spanner in the two holes on the front, usually clockwise threaded but sometimes reverse threaded (or was it the other way around?). The cover is also a bearing race, and comes off to expose tiny ball bearings that love to run off as soon as you open it, hence the tray. You should be able to quickly see the pawls and circle spring keeping them in place and sprung. Pull everything apart, give it a clean, check for anything broken or unevenly warn, reassemble with hearty grease on the bearings and a very tiny bit on the toothed ring that the pawls engage on.
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Leshaches
Yes I know,expensive! I did think must be good quality last a life time etc but no. Personally as a brand I'd avoid; now.