SRAM has taken aluminum to another level. Careful engineering has resulted in crankarms that optimize stiffness to weight ratio, with material only where it’s needed8-bolt interface compatible with power and non-power AXS spiders and integrated chainrings (Chainring and spider sold separately). DUB bottom bracket adds durability and simplicity (Bottom bracket sold separately). Aluminum arms optimized for stiffness and light weight. Item Specifications: Number of Chainrings, No Rings, No Spider Included, Drivetrain Speeds, 12, Drivetrain Speeds, 13, Chainring BCD, Direct Mount SRAM 8-Bolt, Chainline/Hub Compatibility, 135/142 Road Disc Hubs < 415 mm Chainstay, Chainline/Hub Compatibility, 135/142 Road Disc Hubs > 415 mm Chainstay, Color, Black, Crank Length (mm), 170, Crank Intended Use,.
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