A rim spoke is the supporting component that connects the center of the wheel to the rim, playing a critical role in the overall performance and safety of the vehicle. It serves three main functions: force transmission, structural support, and shock absorption. In terms of force transmission, the spoke efficiently transfers vertical loads, driving and braking forces, and lateral forces from the axle to the tire, while simultaneously feeding back the reaction forces from the road to the axle, ensuring stable handling and precise control. Regarding structural support, it maintains the circular shape of the rim, distributes pressure evenly across the tire, and prevents deformation even under heavy loads or harsh operating conditions. For shock absorption, certain spoke designs can absorb impacts from uneven road surfaces through controlled elastic deformation, enhancing ride comfort and reducing stress on other wheel components.

Our company specializes in manufacturing high-quality 25-inch rim spokes, which are widely used for heavy-duty trucks, specialized engineering vehicles, large agricultural machinery, and other mechanical vehicles that demand durability and reliability. Each spoke is carefully engineered to withstand rigorous conditions, providing long-lasting performance and superior strength. In addition to our standard sizes, we are fully capable of producing wheel spokes in various dimensions to meet specific customer requirements, whether for custom vehicles or specialized industrial applications. We are committed to delivering products that combine strength, precision, and reliability, ensuring that every wheel operates safely and efficiently. Feel free to contact us to discuss your specific needs or to request custom spoke solutions tailored to your vehicles.

Our Products

Products Specifications

Parameter	Standard Range	Customization Available	Notes
Material	High-strength steel / Alloy steel	Yes	Material grade can be customized based on load and application
Air Hole Diameter (mm)	10 – 30 mm	Yes	Number and size adjustable for ventilation and weight reduction
Bolt Core Diameter (mm)	18 – 40 mm	Yes	Depends on bolt size and hub requirements
Center Bore Diameter (mm)	100 – 350 mm	Yes	Must match axle or hub specifications
Pitch Circle Diameter (PCD, mm)	130 – 450 mm	Yes	Customized according to vehicle model
Offset (ET, mm)	-20 – +60 mm	Yes	Positive or negative offset available
Spoke Thickness (mm)	12 – 40 mm	Yes	Optimized based on load capacity and working conditions

Product Features

High Load Capacity – Each spoke is engineered to withstand extreme loads, ensuring stability and reliable performance even under heavy-duty operations.

Enhanced Structural Integrity – Optimized spoke geometry maintains the wheel's circular shape, evenly distributes pressure, and prevents deformation over time.

Durable Materials – Manufactured from high-strength steel or alloy, the spokes resist wear, corrosion, and fatigue for long-lasting use.

Impact Absorption – Special design features allow the spokes to absorb shocks from rough terrain, improving ride comfort and protecting the wheel assembly.

Customizable Sizes – While our standard spokes are 25 inches, we can produce a wide range of sizes to meet unique vehicle requirements.

Versatile Applications – Suitable for heavy trucks, construction machinery, mining vehicles, and large agricultural equipment that demand reliability and performance.

Product Advantages

Heat Dissipation and Durability
Larger wheel spokes provide more space for brake system ventilation, reducing the risk of brake overheating during long descents or under heavy loads.

Compatibility with Specialized Tires
25 inch rim spokes are often paired with thick-sidewall tires, such as off-road or industrial tires, which enhance shock absorption and puncture resistance in complex road conditions.