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Rock

Rockblade 525 All-Season Tire

$125.71 $100.88 Save $24.83

SKU: 2ERK040F

Special Order
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The Rockblade Rock 525 is an all-season tire designed for passenger vehicles. It features an asymmetric tread pattern for improved steering performance in wet conditions and high-speed stability.
The tire utilizes a silicon-containing tread compound to enhance wet grip and reduce rolling resistance. Its low-noise design incorporates creative tread grooves to minimize noise during high-speed driving. The anti-slip design with steel sheets and grooves provides strong grip ability on wet surfaces.
Show original supplier description
The Rockblade Rock 525 is an all-season tire engineered for passenger cars, offering a 225/45R18 size with a 95W XL service description. It is designed with an asymmetric tread pattern that differentiates its medial and lateral sidewalls. This design aims to improve steering responsiveness in wet conditions and maintain high-speed stability, making it suitable for various driving scenarios. The tread compound of the Rock 525 features new silicon-containing elements. This composition is intended to enhance grip on wet roads while simultaneously reducing rolling resistance, contributing to better fuel efficiency. Furthermore, its anti-slip design, utilizing a mass of steel sheets and grooves, is intended to provide superior grip and driving performance on wet surfaces. It is important to note that the listed price is for the tire only; wheels are sold separately. Tire installation and wheel balancing incur additional charges. Customers interested in shipping should add the product to their cart to calculate rates. The tire carries a manufacturer defect warranty only.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandRock
Part Number2ERK040F
CategoryWheels and Tires
5,000+ Trusted brands
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5M+ Parts sold
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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