The sprag clutch broke on my mates Aseako during the week (Aseako is identical to the Tonaro but the rigid frame version). I've not pulled mine apart yet, so good opportunity to see whats involved! I know some of you have already done this operation, but here's a couple of pics for those who haven't. Here it is with the assembly removed from the bike, which was pretty easy:
And the broken sprag clutch:
I fired off emails last night to Aseako in Australia, as well as Juvy at Catic. To my surprise, Juvy replied within half an hour and told me the bits I'd need, along with the advice to replace the shaft and nut
as this newer version will help the sprag from breaking. I didn't ask, but I assume this is what is in the '2013 version Reducer'. This is the photo of the newer shaft/nut he sent me:
The guys at Aseako got back to me this morning, and after a quick phone call to discuss what Juvy had told me, ascertained that they had the pieces and would only be $20 per set more expensive than China direct ($60 vs $80, both including postage). So I got two sets on the way, one will be a spare for me although I might put the new shaft in now..
Great service from both Aseako and Catic!