Home / Recreation / Exercise Cycle Spring SXPRO57 Exercise Cycle Spring SXPRO57Price Not Available Price may not be up-to-date. Out of Stock View Product Part Number: SXPRO57 Brand: BH NORTH AMERICA CORP Seller: Sears PartsDirect Category: Recreation Description This spring (part number SXPRO57) is for exercise cycles. Wear work gloves to protect your hands when installing this part.