FSA Pro Road Double Chainrings.
Features:
- Mfg# WB085-39T
CNC Machined AL7075/T6Laser-etched logosSome are designed to work in specific tooth combinations; parentheses indicate appropriate mating ringShifting ramps and Stainless steel pins on middle and outer ringsS10 is compatible with Shimano, SRAM and Campagnolo Ultra Narrow 10-SpeedS9/C10 is compatible with Shimano 9 speed and Campagnolo C10 10-Speed