Promax SQ-1 Crank Arm Set - 140mm Square Taper JIS Spindle Interface 110mm BCD Gold

Discover the Promax SQ-1 Crank Arm Set, a precision-engineered component designed to elevate your BMX or fixie bike performance. Featuring a classic five-arm 110-bolt pattern spider, this crankset offers exceptional compatibility and durability for riders of varying styles and sizes — from BMX racers under 5 feet tall to 6-foot-tall urban cyclists. Crafted with exacting standards, the SQ-1 crank arms provide a reliable and stylish upgrade for your bike.

• 110mm BCD ensures broad chainring compatibility and optimal power transfer
• Seamlessly fits any JIS square-taper bottom bracket, making installation straightforward
• Constructed from cold-forged 6061-T6 aluminum, balancing strength, lightweight design, and long-lasting durability
• Finished with a premium anodized gold coating that adds both corrosion resistance and a sleek aesthetic
• Bottom bracket is sold separately, allowing customization to your preferred setup
• Chainline with 113 bottom bracket measures a precise 42.3mm for smooth drivetrain performance
• Q-Factor with 113 bottom bracket is 151.1mm, designed for comfortable and efficient pedaling