Shimano Alivio FC-T4010 Crankset - 170mm 9-Speed 48/36/26t 104/64 BCD Shimano Octalink V2 Spindle Interface Black. The Shimano Alivio FC-T4010/T4060 3x9 crankset offers simple and complete control with smooth shifting durability and quiet operation.

• 2-piece design
• Hyperglide chainrings incorporate specially positioned shift ramps and tooth profiles for improved chain control during shifting
• 104mm BCD for outer and middle chainrings 64mm BCD for inner chainring