The R4K features a revolutionary Koroyd™ core with superior impact absorption and a reinforced nylon upper shell

and the U-shaped expansion gusset to increase carrying volume

Protective rubber patches for extra protection

Plugs used are military standard with top notch waterproof and foolproof

Updated PDS function

Polisport - Replica Plastic Kit (Husqvarna) Elbow Guard The R4K features a revolutionaryPolisport releases special and exclusive colors for the Husqvarna models. Now, the MX Kit for these models is available in Nardo Grey. With these colours in Polisport's Special Colours line, riders will be able to make their bike shine and customise their graphics to stand out from the crowd. Give your bike a sleek, stylish and totally different look with this new plastics colour. TX FC TX FX (2019 ) models