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
• No chainguard
• Bottom Bracket not included
• Bottom Bracket Interface Type: Square Taper JIS
• Pedal Spindle: 9/16″