Rear suspension on a motorcycle is a subjective experience. That is, the "best" shocks for a 300-pound buddy aren’t likely to meet the demands of your 105-pound girlfriend. Or what about the difference in feel between riding solo around town and packed to the hilt for a weeklong trip? Other than swapping out your shocks to meet your changing riding demands, another way to go is with an adjustable air-ride suspension system that allows the air pressure to be varied to suit specific riding conditions.
Follow the steps for a proper install: