Home / Recreation / Exercise Cycle Lever Arm Lock Nut 90483 Exercise Cycle Lever Arm Lock Nut 90483Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 90483 Brand: NAUTILUS Seller: Sears PartsDirect Category: Recreation Possible Matches$11.79Grote 90483 Yellow Stop Tail Turn Replacement Lenses Description This nut (part number 90483) is for exercise cycles. Follow appropriate safety practices when installing nut 90483.