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Summer Sale Dirtybike 420 Primary Chain Conversion Kit – Sur-ron Ultra Bee Up To 95% Off [tSNelAIx]

$33.99 $108.99 -69%

Summer Sale Dirtybike 420 Primary Chain Conversion Kit – Sur-ron Ultra Bee Up To 95% Off [tSNelAIx]Transform your Sur-Ron Ultra Bee with the DirtyBike 420 Sealed X-Ring Chain Conversion System. Engineered for extreme riding conditions, this kit is a game-changer for both trail enthusias

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Summer Sale Dirtybike 420 Primary Chain Conversion Kit – Sur-ron Ultra Bee Up To 95% Off [tSNelAIx]

Summer Sale Dirtybike 420 Primary Chain Conversion Kit – Sur-ron Ultra Bee Up To 95% Off [tSNelAIx]

Transform your Sur-Ron Ultra Bee with the DirtyBike 420 Sealed X-Ring Chain Conversion System. Engineered for extreme riding conditions, this kit is a game-changer for both trail enthusiasts and endurance riders. With its sealed X-ring chain design, the conversion kit ensures minimal stretch and superior protection against dirt, enhancing the longevity of your drive system. The kit maintains the stock gear ratio, ensuring no change to your bike's torque or speed, while offering an easy chain removal process without the need to remove the swingarm. This efficient and quiet chain drive system is a superior alternative to belts, providing better throttle response and a wider range.

Key Features of the 420 Chain Conversion Kit

Experience the advantages of the DirtyBike 420 Chain Conversion Kit with the following features:

  • 420 Sealed X-Ring Chain – Minimizes stretch and keeps dirt out, extending chain life.
  • Easy Chain Removal – Swap chains without removing the swingarm, saving time and effort.

This conversion kit is more efficient than belt drives, offering better throttle response and a wider range. It's also quieter than open-link chain systems, providing a smoother riding experience. The kit includes a master link for fast service, making maintenance a breeze.

Why Choose the 420 Size Over 520?

Don't be misled by overbuilt kits. While 520 kits may sound tougher, the extra size creates more friction and heat, leading to faster wear and early failure. The 420 size strikes the perfect balance, offering less resistance, smoother articulation, longer chain life, and cooler running under load. This ensures a reliable and peak-performing experience, trusted by professional riders who demand excellence. Whether you're tackling fast trails or the brutal conditions of an enduro race, the DirtyBike 420 Chain Conversion Kit is your ideal choice.

What Our Customers Say

February 5, 2026

Absolutely no complaints!

It's a very well-designed and effective item. I'm a happy camper.

- Khalil G..

February 5, 2026

Absolutely no complaints!

This product is a perfect illustration of smart, functional design.

- Emmett X..

February 5, 2026

Absolutely no complaints!

A phenomenal product. It performs at a professional level.

- Lila T..

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