An 8-speed, triple crankset with melt forged arms, non-replaceable chainrings and is compatible with square taper bottom brackets. Chainrings are not replaceable. Steel chain rings. 48mm chain line with a 122mm spindle. Alloy crank arms. Integrated chain guard. Color: Black. Spindle Interface Type: Square Taper JIS. Pedal Spindle: 9/16″. Chainring BCD: Riveted. Rings: 48/38/28. BB Included: No. Crank Intended Use: Mountain. Defined Color: Black. Crank Length (mm): 175. Drivetrain Speeds: 7. Number of Chainrings: Triple. Chainline/Hub Compatibility: 135/142 MTB Hubs.