The SQ-1 cranks arms have a traditional, five-arm, 110-bolt pattern spider and come in a variety of lengths to fit most riders or riding situations, from the 5-and-under BMX racer to the 6-foot tall fixie-riding hipster. 110mm BCD Compatible with any JIS square-taper bottom bracket Cold-forged from 6061-T6 aluminum for strength, low weight and durability and feature beautiful anodized finishes Bottom bracket sold separately Chainline with 113 BB: 42.3mm Q-Factor with 113 BB: 151.1mm Specifications ColorRedNumber of ChainringsNo Rings IncludedCrankset Style3-PieceCrank Length (mm)150Crank Intended UseBMXDrivetrain SpeedsSingleWeight531Drive Side CompatibilityRight Hand DrivePedal Spindle9/16"BB IncludedNoCrank Arm MaterialAluminumSpindle Interface TypeSquare Taper JISChainring BCD110Chainrings IncludedNo