Only 100 miles use.
Compatible with Shimano 105/ultegra/Durace.
According to Ab these can save % on your effort and reduce knee wear.
Only selling because they will not work with my tiagra cranks and I can't afford new cranks!
Here's a link to them:
https://absoluteblack.cc/oval-road-chai ... -110-4bcd/
Photo as fitted to my croix de fer:
E73CB36D-C5E9-404E-A909-20C011698B9A by Chris Harris, on Flickr