The Cult Crew 3-piece crankset features a wrap around gusset design with tubular heat-treated swaged chromoly arms. single flush mount hollow spindle bolt. RHD/LHDFeatures-1-piece spindle/sprocket boss-19mm hollow chromoly spindle with 48 splines-Single flush mount hollow spindle bolt-RHD/LHD compatible-Lifetime WarrantyItem Specifications-BB Included:No-BB Style:Not Included-Bore:19-Chainrings Included:No-Color:Black-Crank Arm Material:Steel-Crank Intended Use:BMX-Crank Length (mm):170-Crankset Style:3-Piece-Defined Color:Black-Drive Side Compatibility:Right and Left Hand Drive-Drivetrain Speeds:Single-Number of Chainrings:No Rings Included-Pedal Spindle:9/16"-Spindle Material:Steel