A Deep Dive into Scarlet Racing’s CNC Hubs: Why This Component is a "Game Changer" for Your Adventure Bike

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Blue Scarlet Hub

For those of us who spend our weekends kicking up dust on trail paths or hanging out at local meets with a high-style Supermoto, there is one part of the bike that often goes unnoticed until something goes wrong: The Wheel Hub.

Most riders are quick to invest in a loud exhaust or plush suspension, but they often forget that the entire weight of the bike and the brutal impact of the terrain rest on a single central point—the hubs. Today, I want to review a component that has recently become a favorite among local and international modifiers: the Scarlet Racing CNC Hub.

First Impressions: Precision That Captivates the Eye

Blue Scarlet Hub

The moment I unboxed these Scarlet hubs, my first thought was: "This is a piece of art." Unlike standard OEM hubs, which are typically made using a "casting" method (pouring molten metal into a mold) that often leaves a grainy or porous texture, Scarlet uses high-grade Alloy billet processed entirely by CNC (Computer Numerical Control) machines.

This means every curve, every spoke hole, and every disc brake mount is carved by a computer-guided tool with incredible precision. The result is a hub that is perfectly symmetrical, exceptionally smooth, and looks far more premium than anything you’ll find stock.

Technical Specifications at a Glance:

  • Material: High-Grade Billet Alloy (Full CNC Machined)

  • Configuration: 36 Holes (The professional racing standard)

  • Key Feature: Double Bearing System (Dual bearings on both sides)

  • Weight: Approx. 3.2 kg (Engineered for heavy-duty stability)

  • Dimensions: 37.5 cm x 17 cm x 12 cm

Why the "Double Bearing" System is a Real Advantage

Bearings on the Scarlet red hub

One of the standout selling points I found while inspecting these Scarlet hubs is the implementation of Double Bearing technology. If you aren't familiar with wheel mechanics, many standard hubs use only one bearing on each side.

However, for a bike that is frequently jumped or ridden through punishing "single track" trails, the lateral load (side pressure) can be devastating to a hub. By using a Double Bearing setup, the load distribution is significantly more balanced. The wheel rotation feels lighter and more stable, and most importantly, the lifespan of the bearings is greatly extended. This is a small detail that proves Scarlet engineered this product for performance, not just for "show."

Limitless Personalization: Colors That "Pop"

One of the things that kept me scrolling through the Scarlet catalog is their massive range of colors. They clearly understand that for custom builders, aesthetics are just as important as durability. Scarlet uses a high-quality Anodizing process, which means the color is chemically bonded to the metal surface—it won't chip or peel like traditional paint.

You can choose a color that perfectly matches your bike's personality:

  • Black & Silver: For a clean, "stealth" or low-profile look.

  • Blue: An essential match for Yamaha WR owners.

  • Red: The go-to choice for the Honda CRF crowd.

  • Green: The true identity of the Kawasaki KLX.

  • Orange, Purple, & Gold: Bold choices for those who want to be the center of attention at the track or on the street.

Universal Compatibility: "Plug and Play" Performance

Front hub Scarlet on CRF

A common fear when buying aftermarket parts is the "nightmare" of installation—having to machine new spacers or modify the swingarm. Fortunately, Scarlet Racing has designed these hubs to be a direct Plug-and-Play (PnP) fit for the three kings of the dual-purpose world: the Honda CRF, Kawasaki KLX, and Yamaha WR.

In my review of the fitment, the precision of the bolt holes for the brake discs and the rear sprocket is spot on. You won't need to stress over extra spacers or complex adjustments; it is calculated to match the factory specifications of these specific models perfectly.

Investment and Value: Is It Worth It?

Let’s get down to the numbers. The Scarlet Racing CNC Hub set is currently priced at approximately $165 USD.

For some, this price might seem higher than a standard cast hub. However, you have to look at it as an investment in durability and safety. Having a hub crack or fail while you are miles deep in a forest or a mountain trail is not only a logistical nightmare but a serious safety hazard.

A Note for Potential Buyers: The $165 USD price tag is for the product itself and does not include international shipping costs to your destination. Additionally, prices are subject to change based on market demand and currency exchange fluctuations.

Pro-Tips for Maintaining Your CNC Hubs

To ensure your Scarlet hubs stay brilliant and functional for years, here is my personal advice:

  1. Avoid Harsh Chemicals: When washing your bike, stay away from acidic engine degreasers. These can dull the vibrant anodized finish. Use a pH-neutral bike soap instead.

  2. Check Spoke Tension Regularly: After your first 50–100 km of riding, make sure to re-check the tightness of your spokes. CNC hubs are extremely rigid, and spokes may need a minor adjustment as they "settle" into the new hub.

  3. Seal Lubrication: Apply a small amount of waterproof grease to the outer seals. This prevents water from entering the bearing race when you're using high-pressure washers.

Final Verdict: The Smart Choice for Serious Riders

In conclusion, the Scarlet Racing CNC Hub is more than just "eye candy" for your wheels. It is a critical upgrade for any rider looking to elevate their bike's safety and performance standards. With its robust alloy material, double-bearing reliability, and stunning color options, this product offers incredible value for every dollar spent.

If you are planning to build an adventure bike or a Supermoto meant to last for years, these hubs are the solid foundation you’ve been looking for.

Are you planning to upgrade your wheels this month? If you have questions about which spoke and rim combinations work best with these hubs, feel free to drop a comment below!

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