SQ-1 Crank Arms Black

Compatible with any JIS square-taper bottom bracket, they are cold-forged from 6061-T6 aluminum for strength, low weight and durability. 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. Chainline with 113 BB: 42.3 Q-Factor with 113 BB: 151.1 135mm-PX-CK13ST135: 501 grams/17.67ounces 140mm-PX-CK13ST140: 503 grams/17.74ounces 145mm-PX-CK13ST145: 516 grams/18.20 ounces 150mm-PX-CK13ST150: 524 grams/18.48 ounces 155mm-PX-CK13ST155: 531 grams/18.73 ounces 160mm-PX-CK13ST160: 538 grams/18.97 ounces 165mm-PX-CK13ST165: 556 grams/19.61 ounces 170mm-PX-CK13ST170: 558 grams/19.69 ounces