{"product_id":"ps-412-series-shock-set-11-std-duty-black-91-17-dyna-excl-99-03-fxdx-nu","title":"PS, 412 series shock set. 11\". STD Duty. Black — 91-17 Dyna (Excl. 99-03 FXDX) (NU)","description":"412 series shocks: Best value Progressive Suspension shock; great as stock replacement. Nitrogen charged double steel wall body. Multi-staged velocity sensitive valving. Five position cam style preload adjustment. Note: Black 412 shocks may be supplied without lower cover. What are Progressive Suspension''s ''Heavy Duty'' shocks? If you are a lightweight rider with a lightweight passenger; STD Duty is probably your best choice; heavy duty shocks will give you a harsh ride. For Big Guys \u0026amp; Gals with a lot of baggage; Heavy Duty springs are the way to go. Heavy Duty is not better; it''s different.Heavy Duty shocks or springs are recommended to be used on motorcycles that are operated at or near the manufacturers maximum load rating over 50% of the time.\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 91-17 Dyna (Excl. 99-03 FXDX) (NU)\u003c\/p\u003e","brand":"Progressive Suspension","offers":[{"title":"Default Title","offer_id":54433681211719,"sku":"974136","price":464.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/974136k.jpg?v=1785121227","url":"https:\/\/www.chopperessentials.com\/products\/ps-412-series-shock-set-11-std-duty-black-91-17-dyna-excl-99-03-fxdx-nu","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}