LIQUI MOLY – LIQUI MOLY Motorbike 4T Offroad & Synth Oils, including Motorbike 4T Synth SAE 10W60 and 10W50 Offroad Race, Motorbike 4T SAE 10W40 Offroad, Motorbike HD Synth SAE 20W50 Street, and Motorbike Shock Absorber Oil Race. A modern off-road four-stroke is one of the hardest environments a lubricant faces. High compression, a short-stroke engine revving deep into five figures, a shared oil supply feeding gearbox and wet clutch, and a small sump that heats up fast with no highway airflow to help. Motorbike 4T Synth SAE 10W60 and 10W50 Offroad Race answer that with fully synthetic base stocks and heavy-duty additive packages that resist shear, so the oil still measures at grade after motos rather than thinning to something the bearings cannot use. Motorbike 4T SAE 10W40 Offroad covers trail and enduro machines with a broader operating window, and HD Synth SAE 20W50 Street serves large-displacement air-cooled twins that run hot and need a thick, stable film. Clutch feel matters as much as engine protection here, and these blends are formulated to keep friction plates biting cleanly. Fresh oil at the right grade is what keeps a race engine honest.