Shell Advance 4T Ultra with R.C.E Technology is a unique, synthetic technology lubricant designed to provide Shell's ultimate engine protection and performance for all kinds of modern bikes. The latest generation of motorcycle engines require premium synthetic oils to maintain the highest standards of protection and performance, whateve engine size. Shell Advance's R.C.E Technology helps your bike perform to its peak potential, making it responsive to your slightest touch. R.C.E. Technology is designed to deliver; Increased oil performance reliability to give superior engine protection, advanced control by smoothing clutch engagement and preventing slippage and enjoyable ride by reducing vibration and damping engine noise.