SMART CROSSBLADE (450) 0.6 (450.418) 52kW from 09.2002. SMART CROSSBLADE (450) 0.6 (450.418) 52kW 06.2002-12.2003 Rear, Left, Right. Made with high-quality stainless steel fittings and stainless steel braided hose, these brake lines are designed for increased reliability, durability, and performance.