SRAM Red Crank Arm Assembly 160mm 12 Speed Color:Natural Carbon The cooler has a capacity MX 74H The cooler has a capacity of 49 Liters (76 cans) and features eco friendly Thermecool™ triple insulation so contents stay cool for a long time 52 oz 553 8 bolt interface compatible with power and non power AXS spiders and integrated chainrings (Chainrings sold separately) Rings Sold Separately Number of Chainrings No Rings Included Drivetrain Speeds 12 Chainring BCD Direct Mount SRAM Color Natural Carbon Crank Length (mm) 160 Crank Intended Use Road Crank Intended Use Tri Crank Intended Use Cyclocross BB Included No Pedal Spindle 9 16" Spindle Interface Type SRAM DUB Defined Color Carbon