The Shimano Altus line is Shimano's budget friendly mountain groupset, bringing time-tested Shimano quality to the entry-level cyclist. The Shimano Altus 7/8-speed Square Crankset is an excellent replacement crank for entry-level bikes. • Aluminum arms with riveted steel chainrings • Plastic chainguard • Bottom Bracket not included • Bottom Bracket Interface Type: Square Taper JIS • Pedal Spindle: 9/16" Brand: Shimano
