GREHUA 420 split sprocket 42T for smoother chain operation on mini bikes
GREHUA sprocket hub adapter enables quick gear changes without axle removal
GREHUA CT200U-CT100U compatibility boosts upgrade options
GREHUA 6-bolt pattern supports many mini bikes and go-karts
GREHUA aluminum alloy construction keeps weight low and durable
GREHUA easy-install kit with screws and nuts for fast setup
GREHUA precise tooth design reduces friction at speed for smooth riding
GREHUA complete upgrade package ready for installation on compatible bikes
GREHUA Motovox Baja MB200 compatibility enhances performance options
GREHUA 420 split sprocket 42T for smoother chain operation on mini bikes
GREHUA sprocket hub adapter enables quick gear changes without axle removal
GREHUA CT200U-CT100U compatibility boosts upgrade options
GREHUA 6-bolt pattern supports many mini bikes and go-karts
GREHUA aluminum alloy construction keeps weight low and durable
GREHUA easy-install kit with screws and nuts for fast setup
GREHUA precise tooth design reduces friction at speed for smooth riding
GREHUA complete upgrade package ready for installation on compatible bikes
GREHUA Motovox Baja MB200 compatibility enhances performance options

GREHUA 420 Split Sprocket & Hub Adapter — 42T, 6-Bolt, Coleman CT200U & Mini Bike Upgrade

GREHUA offers a precise gear upgrade for small bikes and go-karts with the 420 split sprocket and...
Vendor: GREHUA
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£49.25
£49.25
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GREHUA 420 split sprocket 42T for smoother chain operation on mini bikes

GREHUA 420 Split Sprocket & Hub Adapter — 42T, 6-Bolt, Coleman CT200U & Mini Bike Upgrade

£49.25
GREHUA 420 split sprocket 42T for smoother chain operation on mini bikes
GREHUA sprocket hub adapter enables quick gear changes without axle removal
GREHUA CT200U-CT100U compatibility boosts upgrade options
GREHUA 6-bolt pattern supports many mini bikes and go-karts
GREHUA aluminum alloy construction keeps weight low and durable
GREHUA easy-install kit with screws and nuts for fast setup
GREHUA precise tooth design reduces friction at speed for smooth riding
GREHUA complete upgrade package ready for installation on compatible bikes
GREHUA Motovox Baja MB200 compatibility enhances performance options

GREHUA 420 Split Sprocket & Hub Adapter — 42T, 6-Bolt, Coleman CT200U & Mini Bike Upgrade

£49.25
Description
Description
x

GREHUA offers a precise gear upgrade for small bikes and go-karts with the 420 split sprocket and hub adapter. This kit pairs a lightweight 42-tooth sprocket with a dedicated hub adapter, designed to streamline gear changes and improve chain alignment across varied riding surfaces. Built to endure regular use, the components balance aluminum durability with thoughtful engineering, helping your mini bike respond quickly to throttle input while maintaining steady, measurable performance gains. The result is a more confident riding feel, whether you’re cruising around the neighborhood or tackling a dirt track.

Quality you can feel

  • Forged aluminum hub adapter delivers strength without adding bulk
  • Premium aluminum alloy sprocket keeps weight low while boosting durability
  • Split design makes gear ratio changes visible and straightforward without axle removal

Versatility and design

  • Precise cutter tooth design reduces friction at higher speeds for a smooth chain run
  • Middle hole design ensures compatibility with Coleman CT200U and CT100U models
  • Fits mini bikes and go-karts that use a 6-bolt wheel pattern, broadening compatibility

Whether you’re upgrading an older favorite or setting up a new ride, this GREHUA kit offers a clear path to enhanced gearing options. The 420 chain with 42 teeth provides a balanced shift between torque and top speed that you can observe and adjust as you ride. The included hardware keeps installation straightforward, so you can focus on enjoying your upgraded setup sooner.

What’s in the box

  • 1 sprocket hub adapter
  • 1 red split sprocket (420 chain, 42T)
  • 6 screws
  • 6 nuts

Notes: The adapter features a special center hole design and can be modified to fit models such as DB30, CT100U, or Motovox if needed. This kit is designed to complement a range of popular mini bikes and small go-karts, offering a practical upgrade path without complex modifications.

FAQ

Q: What does the GREHUA 420 Split Sprocket kit include?

A: 1 sprocket hub adapter, 1 red split sprocket (420 chain, 42T), plus 6 screws and 6 nuts.

Q: Which bikes is this sprocket kit compatible with?

A: Fits many mini bikes and go-karts with 6-bolt wheels, including Coleman CT200U/CT200U-EX, CT100U, Baja Warrior, MB200, and more.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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