Ester Tech Off Road 4+ 10W-60 is a fully synthetic 4-stroke competition engine oil. The addition of the revolutionary Ester Tech additives system guarantees full compatibility with modern clutch friction materials. Ester Tech Off Road 4+ 10W-60 has been exclusively developed for Off Road motorcycles. It guarantees a longer engine service life, even under severe race conditions. Shipping price included. COD – no shipping fees will be added.