Sprocket and Freewheel for Razor MX500 MX650 RSF350 RSF650 SX500 Dirt Rocket

Description:

About this item:
Complete & Easy-to-Install Assembly: This all-in-one kit includes two durable chain plate guides, an 80-tooth rear sprocket, and a freewheel mechanism. Pre-assembled for your convenience, it allows for quick and hassle-free installation—no specialized tools needed.
Wide Compatibility: Designed for Razor MX500 (versions 22+), MX650 (versions 15+), SX500 (all versions), and Razor RSF350/RSF650 Electric Bikes. Note: The included freewheel does NOT fit MX350 or MX400 models.
High-Strength Alloy Sprocket: The 80-tooth sprocket is precision-machined from premium alloy steel, offering exceptional hardness and toughness. It resists wear and deformation even under prolonged use, ensuring maximum power transfer and drivetrain efficiency.
Enhanced Chain Guidance System: Reinforced nylon composite side plates offer outstanding impact resistance and structural stability—far superior to ordinary plastic guides. They work together to prevent chain derailment on rough terrain and provide smoother, more reliable performance compared to standard sprocket-only setups.
Durable Metal Freewheel: Includes a robust 4-slot metal freewheel mechanism for smooth coasting and reduced resistance. This offers a noticeable upgrade over basic or plastic-centered freewheels in both durability and performance.
A True Upgrade: Unlike basic sprocket kits that lack guiding plates, our set delivers complete protection against chain drop and improved alignment. The optimized 80-tooth design maximizes engagement and efficiency compared to non-standard tooth counts.
Easy Maintenance: The sprocket is designed for straightforward removal and cleaning, making regular upkeep simpler than ever.

Product Description:
Give your mini-bike the upgrade it deserves with our Rear Sprocket, Freewheel & Chain Plate Guide Assembly. Engineered for riders who demand durability, performance, and safety, this complete kit delivers on all fronts—without the need to purchase a separate chain tool.
The heart of the kit is a high-quality 80-tooth alloy steel sprocket that maximizes power transmission and resists bending or breaking even under intense use. It’s paired with reinforced polymer guard plates that are significantly stronger than typical plastic components. These guides keep your chain aligned and secure, eliminating derailments during aggressive rides—a critical advantage over open sprocket designs.
The included metal freewheel with four mounting slots ensures smooth rolling and reliable performance, enhancing both fun and functionality. Whether you’re into off-road adventures or street cruising, this system offers a quieter, smoother, and more efficient ride.
Compatible with Razor MX500, MX650, SX500, and RSF350/RSF650 models, this set is everything you need to enhance performance and safety.
Don’t compromise with incomplete kits or weak materials. Choose a system designed to last—and built to perform.

Shipping Policy

▼Item(s) would be shipped out within 1-3 working days after received your confirmed payment.

▼We will ship to confirmed Ebay or PayPal addresses. Please make sure your address is correct before place an order.

▼Please kindly note weekends and holidays are not working days.

▼Sometimes payment issues, adverse weather and other unusual events can cause a delay to dispatch that is beyond our control. Hope you can understand that.

Payment Policy

▼Paypal, Visa, and MasterCard are the accepted forms of payment.

Return Policy

▼30 days return

▼Return are accepted within 30 days of confirmed delivery.

▼It is the customers responsibility to pay for return shipping.

▼Returned items must in original package and not used or damaged.

Feedback

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▼Please email us before leaving any neutral/negative feedback or opening any dispute on the site, we will help you to solve the problem.

▼We care about our valued customers and will always try to help you, and we hope we can cooperate again in the future.

▼This item does not include a paper manual. If you have any questions during installation, feel free to contact us anytime.

 

 

 

About this item:
Complete & Easy-to-Install Assembly: This all-in-one kit includes two durable chain plate guides, an 80-tooth rear sprocket, and a freewheel mechanism. Pre-assembled for your convenience, it allows for quick and hassle-free installation—no specialized tools needed.
Wide Compatibility: Designed for Razor MX500 (versions 22+), MX650 (versions 15+), SX500 (all versions), and Razor RSF350/RSF650 Electric Bikes. Note: The included freewheel does NOT fit MX350 or MX400 models.
High-Strength Alloy Sprocket: The 80-tooth sprocket is precision-machined from premium alloy steel, offering exceptional hardness and toughness. It resists wear and deformation even under prolonged use, ensuring maximum power transfer and drivetrain efficiency.
Enhanced Chain Guidance System: Reinforced nylon composite side plates offer outstanding impact resistance and structural stability—far superior to ordinary plastic guides. They work together to prevent chain derailment on rough terrain and provide smoother, more reliable performance compared to standard sprocket-only setups.
Durable Metal Freewheel: Includes a robust 4-slot metal freewheel mechanism for smooth coasting and reduced resistance. This offers a noticeable upgrade over basic or plastic-centered freewheels in both durability and performance.
A True Upgrade: Unlike basic sprocket kits that lack guiding plates, our set delivers complete protection against chain drop and improved alignment. The optimized 80-tooth design maximizes engagement and efficiency compared to non-standard tooth counts.
Easy Maintenance: The sprocket is designed for straightforward removal and cleaning, making regular upkeep simpler than ever.

Product Description:
Give your mini-bike the upgrade it deserves with our Rear Sprocket, Freewheel & Chain Plate Guide Assembly. Engineered for riders who demand durability, performance, and safety, this complete kit delivers on all fronts—without the need to purchase a separate chain tool.
The heart of the kit is a high-quality 80-tooth alloy steel sprocket that maximizes power transmission and resists bending or breaking even under intense use. It’s paired with reinforced polymer guard plates that are significantly stronger than typical plastic components. These guides keep your chain aligned and secure, eliminating derailments during aggressive rides—a critical advantage over open sprocket designs.
The included metal freewheel with four mounting slots ensures smooth rolling and reliable performance, enhancing both fun and functionality. Whether you’re into off-road adventures or street cruising, this system offers a quieter, smoother, and more efficient ride.
Compatible with Razor MX500, MX650, SX500, and RSF350/RSF650 models, this set is everything you need to enhance performance and safety.
Don’t compromise with incomplete kits or weak materials. Choose a system designed to last—and built to perform.
ibay365

On Sep 7, 2025 at 21:30:05 PDT, seller added the following information:

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