# Cybex 550T Treadmill Rear Idler Roller (RP285)

\## Cybex 550T Treadmill Rear Idler Roller RP285

The Cybex 550T Treadmill Rear Idler Roller RP285 is a replacement treadmill roller designed for the rear section of a Cybex 550T treadmill. This component forms part of the treadmill belt system and may be needed when the original rear idler roller requires replacement. If you are repairing or maintaining a Cybex 550T, this part provides a specific replacement option identified by the RP285 part number and SKU.

## Product Details and Benefits

This product is a \*\*rear idler roller for a treadmill\*\*. Its position at the back of the treadmill makes it a dedicated component for the running belt assembly. Replacing the correct roller can help you restore the treadmill’s original belt-system configuration when the existing roller is worn, damaged, or no longer suitable for continued use.

The product is listed under the \*\*Treadmill Rollers\*\* category and carries the following identifying information:

\- \*\*Brand:\*\* Cybex  
\- \*\*Product:\*\* 550T Treadmill Rear Idler Roller  
\- \*\*Part number:\*\* RP285  
\- \*\*SKU:\*\* RP285  
\- \*\*Barcode:\*\* RP285  
\- \*\*Equipment type:\*\* Treadmill  
\- \*\*Roller position:\*\* Rear  
\- \*\*Listed serial number:\*\* D01-08550T9014NN032

The RP285 designation helps distinguish this rear idler roller from other treadmill rollers and replacement components. Using the correct part reference can make it easier to compare the item with the roller currently installed on your equipment.

## Compatibility and Applications

The Cybex 550T Treadmill Rear Idler Roller is a replacement part for the \*\*Cybex 550T treadmill\*\*. It is intended to replace the rear idler roller used in that treadmill model. The product should be considered for Cybex 550T repair, servicing, refurbishment, or parts replacement work.

This item is suitable for customers who maintain their own fitness equipment, service commercial or home treadmills, or source replacement components for treadmill repairs. It is not described as a universal treadmill roller, so buyers should confirm that their equipment is specifically a Cybex 550T before ordering.

## Why Choose This Product

The main reason to choose RP285 is its clear model and part identification. A model-specific rear idler roller can simplify the replacement process compared with trying to match a general-purpose roller without a confirmed part reference. The rear-mounted design also identifies its intended location within the treadmill, helping you compare it with the component that needs replacement.

## Before You Buy

Confirm that your treadmill is a \*\*Cybex 550T\*\* and compare the existing rear idler roller with the product information before placing an order. Check the part number \*\*RP285\*\*, SKU, roller location, and any available product measurements or images against your equipment. The source lists a roller-measure reference image, but it does not provide written dimensions, material, color, installation instructions, package quantity, or warranty details.

The package contents are not separately specified, so review the order information if you need additional hardware or installation components.

## Details

- **Price:** 149.99 USD
- **Vendor:** Cybex
- **Type:** Treadmill Rollers
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 149.99 USD | In stock |

## Images

- RP285
- RP285
- RP285
- RP285
- RP285

## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/cybex-550t-treadmill-rear-idler-roller-rp285)
> Updated: 2026-08-29