Get the best chainrings from one of the premier manufacturers in the world! FSA rings are legendary for shift reliability. They use the finest and hardest materials, precision CNC machining and exhaustive testing to ensure their rings are second to none. Outer and middle/triple rings are ramped & pinned for better shifting, except for the 30t granny 38t inner, 44t middle and 42t tandem timing rings. 9/10 speed compatible. Be aware of this when ordering! Black anodized with CNC silver and laser etched logo.