CNCMOTOK Spring Loaded Chain Tensioner for 49cc-80cc Motorbike Silver

Description

Product Overview

The CNCMOTOK Spring Loaded Chain Tensioner is engineered for small displacement motorbikes ranging from 49cc to 80cc. Constructed from thick, high‑grade steel, the tensioner offers exceptional resistance to deformation, ensuring long‑term stability even under high torque conditions. The integrated spring provides consistent pressure on the drive chain, eliminating the common issues of chain slap, popping, or snapping. With a compact footprint of 4.76 x 4.57 x 1.97 inches and a lightweight design of just 12.3 ounces, it mounts directly to the engine without requiring additional brackets or modifications. The model US‑ZJL‑17‑Silver features a polished silver finish that resists corrosion and blends seamlessly with most bike aesthetics.

Usage

This tensioner is ideal for a variety of powersports applications, including gas‑powered motorized bicycles, off‑road pit bikes, and lightweight street‑legal scooters. Whether you are tackling rugged trails, navigating city traffic, or performing routine maintenance, the tensioner maintains optimal chain tension to improve power transfer and reduce wear. Its wide adjustment range accommodates both center‑mount and rear‑mount chain drive configurations, making it suitable for factory‑installed setups as well as custom builds. Riders who demand reliable performance during extended rides will appreciate the reduced need for frequent chain checks and adjustments.

Why Choose Us

CNCMOTOK is a recognized brand in the powersports aftermarket, known for rigorous quality control and durable component design. Each tensioner undergoes a multi‑stage testing process that simulates real‑world riding stresses, guaranteeing that the spring mechanism retains its tension over thousands of miles. Our commitment to after‑sales support includes free technical assistance and a hassle‑free replacement policy for any manufacturing defects. When you purchase this tensioner, you receive a product backed by a reputable manufacturer and a responsive customer service team ready to help you achieve the best performance from your bike.

Key Features

• Heavy‑duty steel construction resists bending and prolongs service life.
• Spring loaded design maintains constant chain tension, preventing slip.
• Wide adjustment range fits 49cc‑80cc engines and both center and rear mounts.
• Compact size and lightweight profile simplify installation without extra brackets.
• Professional after‑sales support with free technical advice and replacement options.

FAQ

Is this tensioner compatible with my 66cc pit bike?

Yes, the tensioner is designed to work with engines from 49cc up to 80cc, so a 66cc pit bike falls well within the supported range.

Do I need any special tools to install the tensioner?

Installation requires basic hand tools such as a wrench and screwdriver. No specialized equipment is necessary, and the package includes a step‑by‑step guide.

Can the tensioner be used on a rear‑mount chain drive?

Absolutely. The tensioner’s mounting holes are positioned to accommodate both center‑mount and rear‑mount configurations, providing flexibility for various bike designs.

How often should I check the tension after installation?

We recommend a brief inspection after the first 50 miles to ensure the spring has settled, then periodic checks every 200‑300 miles depending on riding conditions.

What warranty does CNCMOTOK offer?

The product comes with a one‑year limited warranty covering manufacturing defects, and our customer service team is available to assist with any issues throughout that period.