Home / Recreation / Exercise Cycle Frame Sleeve 21976-61 Exercise Cycle Frame Sleeve 21976-61Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: 21976-61 Brand: BH NORTH AMERICA CORP Seller: Sears PartsDirect Category: Recreation Possible Matches$49.958TEN Idler Pulley for Ferris Simplicity Snapper ZT2148 ZT2352 50219... Description This frame sleeve (part number 21976-61) is for exercise cycles. Frame sleeve 21976-61 helps connect frame sections together. Wear work gloves to protect your hands when installing this part.