Description
Upgrade your BMX setup with the ProMax Impact 48mm Top Load Stem Clamp in striking Blue Aluminum – the perfect fusion of performance, durability, and style. Crafted from high-quality CNC-machined 6061-T6 aluminum, this top-load BMX stem is engineered for riders who demand precision, strength, and a sleek aesthetic.
Materials & Construction:
Made from premium 6061-T6 aluminum, the Impact stem combines lightweight durability with superior resistance to impact and corrosion. The cold forging process enhances the structural integrity, ensuring reliable performance during intense riding sessions.
Performance & Engineering:
Designed with a 48mm reach and a 0 stem angle, the Impact provides optimal control and responsiveness, ideal for BMX racing, freestyle, and street riding. The CNC-machined finish refines the shape for a clean, aerodynamic profile while reducing weight to just 8.5 oz (242g), boosting your bike’s agility without sacrificing strength.
Components & Technology:
The Impact stem features precise CNC machining for tight tolerances and a smooth finish. The 31.8mm bar clamp diameter offers a secure fit for most handlebars, while the 1-1/8″ steerer clamp ensures a firm connection to your fork. The low profile design with a 30.5mm stack height maintains a sleek profile, enhancing your bike’s overall look.
Style & Use Case:
Available in eye-catching Color Pop Blue, this stem adds a vibrant splash of style to any BMX build. Its top-load design allows for easy installation and adjustments, making it perfect for BMX riders who need reliable performance for street, park, or dirt trails.
Innovative & Differentiating Features:
This stem’s combination of cold forging and CNC machining sets it apart from standard aluminum stems, offering superior strength-to-weight ratio. Its aggressive yet clean design not only elevates your bike’s aesthetics but also ensures long-lasting performance in demanding riding environments.
Key Specifications:
– Stem Type: Top Load
– Reach: 48mm
– Length: 48mm
– Rise: 5mm
– Stem Angle: 0
– Bar Clamp Diameter: 31.8mm
– Steerer Clamp Diameter: 1-1/8″
– Weight: 8.5 oz (242g)
– Color: Blue (Color Pop Blue)
– Stack Height: 30.5mm
Enhance your BMX ride with the ProMax Impact 48mm Top Load Stem Clamp – built for riders who demand strength, style, and superior control. Perfect for BMX racing, freestyle tricks, and street riding, it’s the ultimate choice for upgrading your bike’s performance and appearance.
- High-quality, SEO-friendly bullets for the Promax Impact 48mm Top Load Stem Clamp 31.8mm Reach 48mm Bars Blue Aluminum:
- Premium Material Construction featuring CNC-machined 6061-T6 aluminum for exceptional strength, durability, and lightweight performance on BMX and mountain biking disciplines.
- Engineered for optimal performance with a 48mm reach and 48mm length, providing precise control and responsive handling for aggressive riding styles and technical tricks.
- Innovative top-load design with a 0-degree stem angle, combined with advanced CNC machining, ensures a secure, customizable fit and enhanced stiffness for improved steering precision.
- Stylish Blue Aluminum finish with the distinctive “Color Pop Blue” aesthetic, making it a standout component that complements various bike colors while reducing weight to only 8.5 ounces.
- Designed for versatility with a 31.8mm bar clamp diameter and 1-1/8″ steerer tube compatibility, making it an ideal upgrade for BMX riders seeking increased strength, style, and rider confidence.
| Stem Type | Top Load |
| Stem Angle (deg) | 0 |
| Length | 48 |
| Rise | 5 |
| Reach | 48 |
| Bar Clamp Diameter (mm) | 31.8 |
| Color | Blue |
| Weight | 242 |
| Weight (oz) | 8.5 |
| Defined Color | Blue |
| Steerer Clamp Diameter | 1-1/8″ |
| Stack Height | 30.5 |






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