SD: sintered Off-Road. Good efficiency and stability under all operating conditions. Suitably resistant to wear, even when exposed to water and mud. Less aggressive than the SX, giving more flexible control."
"6173
OE replacement ceramic compound for small and medium size scooters 50-124 ccm. Recommended for commuters and general-purpose street riding. NUCAP NRS technology secures a mechanical and indestructible bonding of the...