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Measure Information
## Cybex 450T Treadmill Rear Idler Roller (RP125)
The Cybex 450T Treadmill Rear Idler Roller (RP125) is a replacement treadmill roller designed for the rear section of a Cybex 450T treadmill. This part may help restore the correct roller setup when the original rear idler roller becomes worn, damaged, or needs replacement during service. It gives fitness equipment repair technicians, facility managers, and treadmill owners a clearly identified replacement component for maintaining a Cybex 450T machine.
Product Details and Benefits
This product is a treadmill rear idler roller from Cybex. The product name is **Cybex 450T Treadmill Rear Idler Roller**, and its part number and SKU are **RP125**. It belongs to the **Treadmill Rollers** category.
The rear idler roller forms part of the treadmill belt and roller assembly. Replacing the correct component can help you keep the treadmill properly equipped and support ongoing maintenance of the machine. This part suits buyers who need a replacement for an existing Cybex 450T rear idler roller rather than a general-purpose treadmill roller.
Each part is carefully inspected by skilled technicians before sale. This inspection helps confirm the condition and identity of the component. The product is offered as a used fitness part, making it a practical option for repairs, equipment refurbishment, and replacement-part sourcing.
Choosing a used treadmill component can also help extend the useful life of existing fitness equipment. Instead of replacing an entire treadmill because of one serviceable part, a suitable replacement roller may support continued use of the machine while reducing unnecessary waste.
Compatibility and Applications
The **RP125 rear idler roller is a replacement part for the Cybex 450T treadmill**. It is intended to replace the original rear idler roller used in that treadmill model.
This part may suit several repair situations, including:
- Replacing a worn or damaged rear idler roller
- Refurbishing a Cybex 450T treadmill
- Maintaining fitness equipment in a gym, club, hotel, apartment facility, or home
- Supporting treadmill repair work when the original roller requires replacement
- Keeping an existing Cybex treadmill in service with a model-specific component
The listed compatibility is **Cybex 450T**. The product page does not provide additional compatible treadmill models, so buyers should not assume that RP125 fits other Cybex machines or different treadmill brands.
Why Choose This Product
The main benefit of this part is its clear model and part-number identification. The Cybex 450T designation and RP125 SKU make it easier to compare the component with your treadmill service records or the part being removed.
The inspected used condition provides another practical reason to consider this replacement. It offers an alternative to sourcing a new component when maintaining an older treadmill or completing a repair.
Before You Buy
Confirm that your treadmill is a **Cybex 450T** and compare the existing rear idler roller with the product identification before ordering. The listed part number is **RP125**, and the barcode is also **RP125**.
The product page does not list measurements for dimensions labeled A, B, C, D, or E. It also does not specify material, color, warranty, installation hardware, or package quantity. Pictures are for reference only because multiple units may be in stock. The supplied part will remain the exact model and part identified in the listing, although its appearance may vary slightly. Contact the seller if you need additional information before purchase.
Our standard order processing is up to 3 business days, but we almost always ship the next business day.











