Ester Tech Off Road 4+ 10W-50 is a fully synthetic four-stroke racing engine oil. Its revolutionary Ester Tech additives ensure full compatibility with the friction materials of modern clutches. Ester Tech Off Road 4+ 10W-50 has been specifically developed for off-road motorcycles. It guarantees a longer engine life even under harsh racing conditions. The oil provides a strong, reliable lubrication film even under the most extreme operating conditions, maximizing engine performance. It features a very high and stable viscosity index, optimal function of wet multi-plate clutches, and enables accurate, smooth gear shifts while offering superior wear protection.