The Knee Abductor helps to stop the knees from turning in.
The Foot Leveller keeps the foot in a near horizontal position for the whole rotation of the pedals, still allowing full movement.
Support Pedals are fitted when restraint is required.
The Freewheel Crank with lock pin allows you to disengage the pedals.
The Curved Heel Cup is fully adjustable and limits movement of the foot.