TRKIMAL Front Sprocket 420 12T 20mm Stainless Steel for 50-125cc ATVs

Description

Product Overview

The TRKIMAL front sprocket is engineered for riders who demand reliable power transfer on 50cc to 125cc dirt bikes, pit bikes, and ATVs. Featuring a 12‑tooth design with a 20mm outer diameter and an 18mm inner gear bore, this sprocket fits the standard 420‑series chain used in many off‑road machines. Crafted from premium stainless steel, it offers superior corrosion resistance and heat tolerance, extending the life of both the sprocket and the chain. The package includes one sprocket and two circlips for secure installation.

Usage

Ideal for off‑road enthusiasts, this sprocket performs in muddy trails, sandy dunes, and rugged terrain where durability is essential. Whether you ride a mini‑bike, a 4‑wheel ATV, or a go‑kart, the TRKIMAL sprocket maintains smooth acceleration and reduces chain wear. Its lightweight design (1.6 ounces) minimizes added mass, preserving handling characteristics while delivering consistent torque.

Why Choose Us

TRKIMAL combines precision engineering with rigorous quality control. Each sprocket undergoes heat treatment and polishing to achieve a flawless tooth profile, ensuring optimal engagement with the chain. Our stainless‑steel alloy meets automotive standards for strength and longevity, giving you confidence on demanding rides. Backed by responsive customer support, we provide assistance for fitment questions and warranty claims.

Key Features

• Stainless steel construction resists rust and heat for long‑term durability
• 12‑tooth design delivers smooth power transfer and reduces chain wear
• Fits 420‑series chains, compatible with 50cc‑125cc bikes and ATVs
• Lightweight (1.6 oz) preserves handling while adding strength
• Includes two circlips and responsive after‑sales support for easy installation

FAQ

What chain size does this sprocket fit?

The sprocket is designed for standard 420‑series chains commonly used on 50cc to 125cc dirt bikes, pit bikes, and ATVs.

Is the stainless steel prone to cracking under heavy load?

No. The high‑grade stainless steel alloy is heat‑treated to provide excellent tensile strength, resisting cracking even under aggressive riding conditions.

Do I need additional tools to install the sprocket?

Installation requires a basic set of hand tools and the two circlips included in the package to secure the sprocket on the axle.

Can this sprocket be used on a go‑kart?

Yes, as long as the go‑kart uses a 420‑series chain and the 12‑tooth, 20mm configuration matches the drivetrain specifications.

What is the warranty period?

TRKIMAL offers a one‑year limited warranty covering manufacturing defects for this sprocket.