H&R Bike Performance Spring 75mm + spacer set

300 lbs/in, 325 lbs/in, 350 lbs/in, 375 lbs/in, 400 lbs/in, 425 lbs/in, 450 lbs/in, 475 lbs/in, 500 lbs/in, 525 lbs/in, 550 lbs/in, 575 lbs/in, 600 lbs/in