These came off a Brand New never ridden SL-K Light ABS BB386 Crankset. FSA EVO uses FSAs Asymmetric Bolt Standard, with four bolts.
FEATURES:
- AL7075 100% CNC chainrings
- AL7075 Torx T-30 alloy chainring bolts with tabcover NOT INCLUDED
- Drivetrain Compatibility: Shimano10/11S, Sram10/11S, Campa10S