TruVativ STYLO 6K Aluminum Eagle Boost Crankset 170mm 12 Speed 32t Direct Mount DUB Spindle Interface BLK MFPN=05 CHN 121 BLK Color Black Ring Position Type Chain Color Black Ring Position Type Chain Retaining Single Ring Tooth Count 40 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 110 Shimano Asymmetric Material Aluminum Defined Color Black Color Black Tan Defined Color Black Flat Protection Tread and Sidewall ISO Diameter 584 650b 27 desc ul{font size:24px Rings 32 Defined Color Black Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Color Black Chainline Hub Compatibility 141 148 Boost Hubs Drivetrain Speeds 12 Number of Chainrings Chain Retaining Single Crank Intended Use Mountain Pedal Spindle 9 16" BB Included No Crank Length (mm) 170