Trith 30744

Thanks for posting! Your Truth crank operator looks like it could be the 39-221B Encore Dyad Operator, the opposite handed version is the 39-220B. If your cover is not removeable you'll also need to purchase a replacement for the. The 39-451 is the cover used with the 39-221B.

Be sure to take a look at the other compatible hardware and accessories, tagged below.

detail of 39-221B