Organic brake pads feature aramid fibers; these are man made high-performance fibers used widely for their light weight, high strength, abrasion resistance and thermal stability
Aramid fibers have high strength to-weight, thermal stability and abrasion resistance to provide advantages over cheaper steel fiber-based products
Fitment data lists this product for 6 model-year applications, including Harley-Davidson Sportster 1000, with listed model years from 1973 through 1978.