Scarlet Racing Caliper Set Review: The Best Brake Upgrade for Your Dirt Bike?
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| Scarlet Racing Caliper |
In the adrenaline-fueled world of motocross and enduro, we often obsess over horsepower. We want faster engines, louder exhausts, and quicker acceleration. But ask any pro rider, and they will tell you a simple truth: "To go fast, you must be able to stop fast."
Stock brakes on bikes like the Honda CRF, Kawasaki KLX, or Yamaha WR are often designed for casual riding. When you push them hard on a steep descent or a Supermoto track, they can feel "wooden" or fade quickly.
If you are looking for a massive upgrade in stopping power without spending a fortune, the Scarlet Racing Front & Rear Caliper Set might just be the bargain of the century. Priced at just $71 USD for the complete set, it promises CNC precision and aggressive performance. Today, we put it to the test.
1. The Build: CNC Precision Meets Rugged Design
The first thing that strikes you when unboxing the Scarlet Racing calipers is the build quality. Unlike the rough, cast-metal surface of OEM calipers, these are machined using CNC (Computer Numerical Control) technology.
Looking closely at the unit, you can see the precise milling lines and the robust structure of the caliper body. As seen in the product imagery, the caliper features a distinctive, angular design that looks incredibly modern.
Material: The body is crafted from high-quality alloy, which offers excellent heat dissipation—crucial for preventing brake fluid from boiling during heavy use.
Branding: The "Scarlet Racing" logo is prominently milled or laser-etched into the side, sitting above the piston housing, giving it a premium, factory-team aesthetic.
2. The Configuration: 2-Piston Front, 1-Piston Rear
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| Scarlet Racing Caliper |
Scarlet Racing didn't just make these look good; they engineered them for specific braking dynamics. The set comes with a tailored configuration for off-road riding:
The Front: 2-Piston Powerhouse
The front caliper utilizes a 2-Piston design.
Why 2 Pistons? By using two pistons instead of one large one, the pressure is distributed more evenly across the brake pad. This results in a stronger initial "bite" and more progressive stopping power. When you grab a handful of front brake before a corner, you want immediate deceleration, and this 2-piston setup delivers exactly that.
The Rear: 1-Piston Precision
The rear caliper uses a 1-Piston setup.
Why 1 Piston? On a dirt bike, the rear brake is used more for steering and stability than raw stopping power. A 1-piston design prevents you from accidentally locking up the rear wheel too easily (which can stall the engine or cause a slide-out). It offers the modulation needed to "drag" the brake through corners for stability.
3. Aesthetics: Red, Black, and Gold
Your bike is an extension of your personality, and Scarlet Racing offers colorways to match almost any build. The anodized finish is not only beautiful but also serves as a protective layer against corrosion and trail grime.
Racing Red: As shown in the detailed photos, the Red version is a deep, vibrant crimson that screams performance. It stands out vividly against black fork guards or silver rims.
Stealth Black: For riders who prefer an understated, "sleeper" look.
Luxury Gold: Perfect for those wanting to emulate the look of high-end Brembo or Öhlins components.
The finish is smooth and glossy, with the CNC machining details catching the light to highlight the mechanical beauty of the part.
4. The Price: Unbeatable Value at $71
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| Scarlet Racing Caliper |
This is the headline feature. High-performance brake calipers from European brands can cost upwards of $300 per wheel. Even other aftermarket Asian brands often charge $150+ for a set.
Scarlet Racing Price: $71 USD (Front & Rear Set)
For $71, you are getting a complete braking overhaul. This price point makes it accessible for:
Budget Builders: Students or hobbyists building a trail bike on a shoestring budget.
Supermoto Converts: Riders who spent all their money on 17-inch wheels and tires and need an affordable brake upgrade to handle the street.
Fleet Owners: Rental shops or tour guides who need reliable, good-looking replacement parts for their fleet bikes.
Note on Shipping: Please remember that the $71 USD price does not include international shipping. Rates will vary depending on your country.
5. Performance Review: On the Trail
So, how do they feel?
The Lever Feel: With the rigid CNC body, there is noticeably less "flex" in the caliper compared to stock cast units. This translates to a firmer lever feel. You can feel exactly what the pads are doing against the rotor.
The "Bite": The 2-piston front caliper offers a significant improvement in stopping distance. On steep downhills, where stock brakes might require you to pull the lever all the way to the grip, the Scarlet caliper provides ample stopping force with just two fingers.
Heat Management: Thanks to the alloy construction and the airflow-friendly design, brake fade is minimized. Even after 20 minutes of hard riding, the braking performance remains consistent.
6. Installation and Compatibility
The Scarlet Racing set is designed as a universal upgrade for most major trail bikes.
Mounting: They are typically designed to fit standard bracket mounts for KLX 150, CRF 150L, and WR 155R. However, depending on your disc size (especially if you are running oversized 300mm or 320mm rotors), you may need a specific caliper bracket adapter.
Banjo Bolts: Ensure you check the thread pitch of your brake lines. Scarlet calipers usually use standard thread pitches, making them compatible with most aftermarket braided brake lines.
Conclusion: The Smart Choice for Braking
If you are still riding on old, worn-out stock calipers, you are compromising both your speed and your safety. The Scarlet Racing Front & Rear Caliper Set offers a premium CNC look and improved performance for a fraction of the cost of big-name competitors.
For $71 USD, it is one of the most cost-effective safety upgrades you can make. You get the stopping power of a 2-piston front, the control of a 1-piston rear, and the stunning looks of CNC-machined alloy.
Upgrade your stopping power today, because you can't go fast if you can't stop.
Which color are you picking? Does the Red match your Honda, or is the Gold calling your name? Let us know in the comments below!

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