EK PBR Chain kit 520 SRX2 14 50 114 Alu Standard Rear Sprocket stock csF29898F8{text align:left csF29898F8{text align:left * Tested on an engine dyno (Suzuki GSX R 1000 RR with new 300V 4T Road Racing 10W 40 vs earning it widespread popularity among diverse riders it continuously evolves with regular enhancements incorporating cutting edge technology