# Vision Fitness Upright Bike R-40-F Idler Assembly 015974-Z (MX359)
The Vision Fitness Upright Bike R-40-F Idler Assembly is a preowned replacement part for a Vision Fitness R-40-F upright exercise bike. It carries part number **015974-Z** and SKU **MX359**. If your bike needs this specific idler assembly, this component provides a direct replacement option without requiring you to purchase an entire exercise bike. Confirm your equipment model and original part number before ordering to help ensure a proper match.
Product Details and Benefits
This product is an **idler assembly designed for the Vision Fitness R-40-F upright bike**. As a replacement fitness equipment part, it can help you repair or maintain a compatible machine when the original assembly is missing, worn, or no longer suitable for use.
The part is sold in **preowned condition**. Each used fitness component has been carefully inspected by skilled technicians for performance and safety before sale. This inspection gives buyers useful information about the part’s condition while offering a practical alternative to sourcing a new replacement.
Choosing a preowned idler assembly may also reduce repair costs compared with replacing larger bike components or the complete machine. Reusing an existing fitness part can extend the service life of compatible equipment and help keep usable components out of landfills.
The item is identified as:
- **Brand:** Vision Fitness
- **Equipment type:** Upright exercise bike
- **Compatible model:** R-40-F
- **Part name:** Idler Assembly
- **Part number:** 015974-Z
- **SKU:** MX359
- **Barcode:** MX359
- **Condition:** Preowned
Compatibility and Applications
This Vision Fitness idler assembly is intended for the **Vision Fitness R-40-F upright bike**. It is suitable for repair, maintenance, or replacement work involving that exact model and part number. The listing does not confirm compatibility with other Vision Fitness bikes or different R-series models, so do not rely on the brand alone when selecting a replacement.
Use this part when you need an idler assembly identified as **015974-Z** for a Vision Fitness R-40-F machine. A qualified repair technician or equipment owner can compare the existing component, part number, and bike model before installation.
Why Choose This Product
This replacement part gives you a way to maintain a compatible Vision Fitness upright bike while avoiding the cost and waste associated with replacing the full machine. The technicians’ inspection adds useful condition screening, and the exact model and part identification makes it easier to compare the item with your existing component.
Because this is a preowned part, it may show normal signs of previous use. However, it has been inspected before listing.
Before You Buy
Verify all of the following before placing your order:
- Your exercise bike is a **Vision Fitness R-40-F upright bike**.
- Your original part uses part number **015974-Z**.
- The required component is an **idler assembly**.
- The SKU or listing reference is **MX359**.
Product photos are provided for reference only. The seller carries multiple units, so the part you receive may look slightly different from the pictured item. The model and part itself will match the listing. For additional details, contact the seller before ordering.
