Rolon "BPR KIT" brass chain and sprocket kit KIT HXRC 238 for the NINJA 650R, with a 15-tooth front sprocket, 46-tooth rear sprocket and chain. Both inner and outer link plates are brass plated for enhanced rust protection and a lustrous look. Built for high-power motorcycles and all terrains, it offers higher strength and long-lasting performance, with OE-specification fitment. The front sprocket is heat treated, hand finished and machined for smooth, quiet running. The rear sprocket is carbon steel with induction-hardened teeth, zinc coated and shot blasted for surface fatigue strength. Each sprocket passes 18 production stages and 15 quality checks. Part numbers: KIT HXRC 238, S 01 610 (front sprocket), S 01 609 (rear sprocket), R520HXRC-114P- 02 (chain)