Shimano Deore M532 Chainset

This is a great value triple 9 speed chainset that comes with a range of drive ring diameters and tooth sizes and is Mega9 compatible.
It has lightweight Aluminium outer and Steel middle and inner SG-X chainrings, with patented spike pins, that give a smooth and fast gear shift even under load.
It also has a 2 piece lightweight and rigid design, with an external bottom bracket system, which is incredibly strong and durable, and a Steel axle.