# Precor EFX 635 665 685 Elliptical Stair Arm Wheel (WP100)

\# Precor EFX 635, 665, 685 Elliptical Stair Arm Wheel WP100

The Precor EFX 635, 665, 685 Elliptical Stair Arm Wheel is a replacement wheel designed for the stair arm assembly on compatible Precor elliptical machines. This part carries the WP100 part number and helps replace a worn, damaged, or missing wheel in the stair arm mechanism. If you are servicing a Precor EFX 635, EFX 665, or EFX 685 elliptical, this wheel may be the component you need to maintain the machine’s stair arm assembly.

## Product Details and Benefits

This Precor stair arm wheel is a small but important mechanical component within the elliptical’s stair arm system. The wheel supports the movement of the arm assembly and helps the mechanism travel as designed during use. Replacing the affected wheel can help address service issues related to a damaged or worn stair arm wheel.

The product is identified as \*\*WP100\*\*. Its brand is \*\*Precor\*\*, and its product category is \*\*Wheels\*\*. The item is listed as the \*\*Precor EFX 635 665 685 Elliptical Stair Arm Wheel\*\*. The SKU and barcode are both \*\*WP100\*\*.

A replacement wheel can help simplify equipment maintenance when the original component no longer meets the needs of the stair arm assembly. Instead of replacing the entire elliptical or a larger assembly, a compatible replacement part allows you to focus on the specific wheel that requires service. This makes the part suitable for repair work, equipment maintenance, and replacement-part inventory.

## Compatibility and Applications

The Precor WP100 stair arm wheel is listed for use with these Precor elliptical models:

\- Precor EFX 635  
\- Precor EFX 665  
\- Precor EFX 685

This product is intended for the stair arm area of the compatible Precor EFX elliptical equipment. It is not identified as a general-purpose wheel or as a universal elliptical component. Use it specifically when servicing one of the listed Precor models and when the required part matches the WP100 designation.

The part may suit fitness equipment owners, commercial gym operators, maintenance technicians, and service professionals who need a Precor elliptical stair arm wheel. It can also help facilities keep a designated replacement component available for future equipment repairs.

## Why Choose This Product

The WP100 provides a clearly identified replacement option for the stair arm wheel used on selected Precor EFX elliptical machines. Its model-specific listing makes it easier to compare the part with the equipment being serviced. Choosing the correct wheel can help prevent ordering an unrelated component and supports more targeted maintenance.

## Before You Buy

Confirm that your elliptical is a \*\*Precor EFX 635, EFX 665, or EFX 685\*\* before ordering. Also verify that the part number shown on your existing component, service information, or equipment parts list matches \*\*WP100\*\*. The product page does not provide dimensions, material, color, package quantity, installation instructions, or warranty details, so review those requirements before purchase if they are important to your repair.

\*\*Brand:\*\* Precor  
\*\*Product type:\*\* Elliptical stair arm wheel  
\*\*Part number:\*\* WP100  
\*\*SKU:\*\* WP100  
\*\*Compatible models:\*\* Precor EFX 635, EFX 665, EFX 685

## Details

- **Price:** 49.99 USD
- **Vendor:** Precor
- **Type:** Wheels
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 49.99 USD | In stock |

## Images

- WP100
- WP100
- WP100
- WP100
- WP100

## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/precor-efx-635-665-685-elliptical-stair-arm-wheel-wp100)
> Updated: 2026-08-29