Home / Recreation / Exercise Cycle Nut 21976-34 Exercise Cycle Nut 21976-34Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 21976-34 Brand: BH NORTH AMERICA CORP Seller: Sears PartsDirect Category: Recreation Possible Matches$229.99Wild Apple Portfolio 34x28 Black Modern Frame and Double Matted Mus... Description This nut (part number 21976-34) is for exercise cycles. Follow appropriate safety practices when installing nut 21976-34.