SRAM X0 Eagle T Type Wide Crankset 175mm 12 Speed 32t Chainring Direct Mount 2 Guards DUB Spindle Interface BLK Fits Brand Leader The NiteRider Sentry Aero 260 The NiteRider Sentry Aero 260 keeps guard both night and day with an aerodynamic shape that gives cyclists 260 degrees of visibility with a matching 260 lumens of light output featuring Optimal VIZ Daylight Visible Flash (DVF) technology Color Black Color Black Rings 32 Number of Chainrings Chain Retaining Single Crank Length (mm) 175 Crank Intended Use Mountain Drivetrain Speeds 12 BB Included No Pedal Spindle 9 16" Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Chainline Hub Compatibility 141 148 Boost Hubs Defined Color Black keyword search 55mm Chainline DUB bottom bracket and spacers NOT included