I just ordered 2 more to put on the shelf.
$17.38 each inc including shipping.
Go to AliExpress, search for DC4127 and quite a few options appear.
The sprag that is in my bike came from "Freewheels" so I ordered again from same.
Long time for the free shipping, 25-30 days.
Last time around I thought it would never show, but it eventually did. I guess I didn't notice the 30 day shipping time listed, that was about what it took to get here.
Jim Comstock pointed out that the sprag usually dies from a lack of lubrication. He also suggested that finding a way to get extra lube to it would help.
I'm not sure if this is helping or not, but I have put an extra few ounces of lube in the primary in the hope that the sprag will see more oil, or in my case ATF.
With the level raised maybe 1/4" or so above the level plug there have been no adverse effects, ie. clutch slippage or leakage so far.
Glen