Fsa mtb alloy 9 speed chainringthis is a 9 speed outer chainring for fsa mtb cranksets it is made from lightweight yet sturdy aluminium shifting performance has helped full speed ahead to become a world leader for high end chainrings no one studies the design and manufacturing of each system and each tooth as carefully as they do features material aluminium precision machined teeth colour black speed 9buy fsa components from chain reaction cycles the worlds largest online bike store