Rpm Comet Chainset Isis

This is a 44/32/22 triple Chainring with a cold forged AL6061/T6 crank arms with one piece crank arm/spider and 9 speed chainrings.
The outer chainring is steel while the inner and middle rings are heat-treated chromoly.
Please note that this is a splined chainset not a square and that it uses 175mm Cranks.