420 Front Sprocket 20mm Stainless Steel TRKIMAL Model 424A

Description

Product Overview

The TRKIMAL 420 front sprocket is engineered for riders who demand durability and precision in a compact package. Constructed from high‑grade 20mm stainless steel, the sprocket resists corrosion, heat buildup, and the abrasive forces encountered in both street and off‑road environments. Its robust gear teeth are machined to exact tolerances, ensuring consistent engagement with the chain and minimizing wear over time.

Designed to accommodate a range of tooth counts from 10 to 18, this sprocket offers flexibility for a variety of engine displacements, from 50cc pocket bikes to 125cc trail machines. The stainless steel composition not only provides a sleek, polished appearance but also contributes to a longer service life compared with standard carbon steel alternatives. Each unit is supplied with two circlips, guaranteeing a secure fit on the gear hub and preventing axial movement during operation.

Key specifications include a package dimension of 4 × 3 × 0.05 inches and a lightweight profile of just 2.39 ounces, making it easy to handle during installation. The product carries the TRKIMAL model number 424A and has been a best‑seller in the Powersports Sprockets category, reflecting its popularity among enthusiasts seeking reliable performance at an affordable price point.

Usage

This sprocket excels in a variety of applications, from daily commuting on a 50cc moped to competitive racing on a lightweight ATV. Its corrosion‑resistant surface makes it ideal for riders who frequently encounter wet or salty conditions, such as coastal trails or rainy urban streets. The heat‑tolerant stainless steel construction ensures the sprocket maintains its structural integrity even during prolonged high‑rpm sessions, reducing the risk of deformation or tooth breakage.

Installation is straightforward for both DIY mechanics and professional service shops. The included circlips simplify the mounting process, allowing the sprocket to be secured without the need for additional tools beyond a standard wrench set. Once installed, riders will notice smoother power delivery, reduced chain noise, and improved acceleration, especially when paired with a properly tensioned chain and compatible rear sprocket.

Why Choose Us

Choosing the TRKIMAL 420 front sprocket means selecting a product backed by rigorous quality control and a reputation for reliability. Each sprocket undergoes a multi‑stage inspection process, including dimensional verification, material hardness testing, and surface finish assessment, to ensure it meets the exacting standards required for high‑performance powersports equipment. Our commitment to customer satisfaction extends beyond the point of sale, offering responsive after‑sales support and a clear warranty policy.

In addition to the superior material selection, TRKIMAL invests in advanced manufacturing techniques such as CNC machining and precision heat treatment. These processes produce a sprocket that not only fits precisely but also distributes load evenly across each tooth, extending the lifespan of both the sprocket and the chain. Our customers benefit from a product that reduces maintenance intervals, lowers the total cost of ownership, and delivers consistent performance season after season.

Key Features

• Premium 20mm stainless steel construction for superior corrosion and heat resistance, extending component life.
• Versatile 10‑18 tooth range fits a wide variety of 50cc‑125cc mopeds, ATVs, mini‑bikes, and go‑karts.
• Includes two circlips for easy, secure installation without additional hardware.
• Precision‑machined teeth ensure smooth power transfer and reduced chain wear for reliable performance.
• Dedicated customer support and warranty coverage provide peace of mind and assistance when needed.

FAQ

What size sprocket do I need for my specific bike model?

First, locate the model number of your bike and consult the manufacturer’s specifications for the recommended front sprocket tooth count. The TRKIMAL 420 series offers options from 10 to 18 teeth, covering most common configurations for 50cc to 125cc engines. If you are unsure, compare the inner diameter of your existing sprocket (typically 18mm) and match it with the appropriate tooth count. When in doubt, contact our support team with your bike’s make and model, and we will help you select the correct size.

Can I install the sprocket myself, or do I need a professional?

The sprocket is designed for straightforward installation using basic hand tools. You will need a wrench to secure the circlips and a chain tensioner to adjust the chain after fitting. Detailed step‑by‑step instructions are included in the packaging, and many riders successfully complete the installation at home. However, if you lack experience with chain drives or prefer a guaranteed fit, a professional mechanic can install the sprocket quickly and verify proper chain alignment.

How does the stainless steel material affect performance compared to carbon steel?

Stainless steel offers several advantages over carbon steel, most notably enhanced resistance to rust and corrosion, which is critical in wet or salty environments. It also tolerates higher operating temperatures without losing hardness, reducing the risk of tooth deformation under heavy loads. While stainless steel may be slightly heavier, the weight difference is negligible for the overall vehicle performance, and the durability benefits often outweigh any minor increase in mass.

What warranty does TRKIMAL provide for this sprocket?

TRKIMAL offers a one‑year limited warranty covering manufacturing defects in material or workmanship. This warranty does not extend to damage caused by improper installation, misuse, or normal wear and tear. If you encounter any issues within the warranty period, contact our customer service with your purchase details, and we will arrange a replacement or repair as appropriate.

Is this sprocket compatible with aftermarket chains?

Yes, the TRKIMAL 420 front sprocket is compatible with most standard aftermarket chains that match the chain pitch and width specifications for your vehicle. It is important to ensure the chain is properly tensioned and the rear sprocket is also compatible to maintain optimal power transfer and reduce premature wear. For best results, pair the front sprocket with a high‑quality chain that meets the recommended specifications for your bike’s engine size.