FSA Pro Road Compact Chainring
The FSA Pro Road rings are CNC-machined, black anodized 7075-T6 aluminum. All rings are 8/9/10-speed compatible and the outer rings (34T, 36T, 38T, 46T, 50T and 52T) are ramped and pined for better shifting. Compatible with 5-arm/5-bolt compact cranks (110bcd). 5.5mm thick with recesses for chainring bolts on both sides of ring.