Injection molded Krayton rubber for durability and comfort

from a slightly customized bike to a full custom chopper

bolt-on solo seat spring mounts fit Harley-Davidson Big Twin frames from 1958 through 1985

The size of the housing is 1 7/8" diameter x 1 5/16" long

Includes diaphragm

NASA Trucker Hat Motorcycle Specific_Harley-Davidson Big Twin Injection molded Krayton rubber forWhen you arent protecting your dome, cover it with this black and white mesh and foam Otto brand trucker cap. Featuring one of Martian Machine's unique designs pressed on to the front. One size fits all. Black and white mesh Screen printed design One size fits all