Shimano Saint Fcm815 Hollowtech Ii Double Chainset

This is a stiff, strong and durable, Hollowtech II, double, mountain bike chainset, with honeycomb style bash guard.
It has a reinforced pedal and crank arm interface, with T-nut style steel threaded bushing, and an Saint HollowTech II integrated bottom bracket design that uses a wide bearing placement and a large axle diameter, for increased stiffness and efficiency, combined with longer bearing cup threads for added durability.
It is suitable for 83mm bottom bracket shell widths.
It is also available as a separate crankset (without chainring), or with a SMCR81 single chainring in a choice of sizes: 34, 36, 38, 40, 42 tooth.