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. Compatible with any JIS square-taper bottom bracket, they are cold-forged from 6061-T6 aluminum for strength, low weight and durability and feature beautiful anodized finishes. Available in anodized red, blue, gold and matte black with laser-etched graphics in lengths 135 to 170 in 5-millimeter increments. Bottom bracket sold separately. Available in anodized red, blue, gold and matte black with laser-etched graphics with six, beefy, chromoly, Allen bolts. Meets or exceeds ENBMX standards.