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.Features-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: 151.1mmItem Specifications-BB Included:No-Chainring BCD:110-Chainrings Included:No-Color:Blue-Crank Arm Material:Aluminum-Crank Intended Use:BMX-Crank Length (mm):160-Crankset Style:3-Piece-Defined Color:Blue-Drive Side Compatibility:Right Hand Drive-Drivetrain Speeds:Single-Number of Chainrings:No Rings Included-Pedal Spindle:9/16"-Spindle Interface Type:Square Taper JIS-Weight:556