If a cruiser weighs 700 lbs. and has 80 lbs. of unsprung weight (entirely possible), this ratio is 80/620 or 1:7.75. But to achieve this same ratio on a dirt bike that weighs just 250 lbs., the unsprung weight must be no more than 32.26 lbs.â€”almost impossible.
Changing the unsprung weight has no direct effect on springing (as it's not supported) but reducing it can make a big difference to the ease with which a bike can .
[Archive] unsprung weight General Bike Related Discussion.. was reading an article on the motocross action website about unsprung weight, .