Adjustable motorcycle sidecar mounting apparatus

Adjustable motorcycle triple tree

Adjustable motorcycle wheelie device

Adjustable parking frame of bicycle

Adjustable passenger floorboards

Adjustable rear wheel mounting assembly for wheelchairs

Adjustable riding toy with an adjustable axle height connection

Adjustable riding toy with wave ride wheel

Adjustable seat back assembly for a wheelchair

Adjustable seat for a tricycle

Adjustable seat for children's vehicle

Adjustable seating system

Adjustable shock absorbing device for bicycle seat

Adjustable side frame and wheelchair with adjustable side frame

Adjustable sissy bar mechanism for use with a motorcycle

Adjustable steering column

Adjustable support for sports motorcycle

Adjustable suspension system having positive and negative spring

Adjustable training wheel apparatus

Adjustable training wheel apparatus