SUZHOU POLESTAR METAL PRODUCTS CO., LTD
Your One-Stop Precision Metal Fabrication Solution - Cut, Shape, Weld, Assembly
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Lightweight CNC Milled 7075 Aluminum Crank Arms for MTB Performance
Product Introduction:
Our Lightweight CNC Milled 7075 Aluminum Crank Arms are a revolutionary addition to the mountain biking world, meticulously crafted to elevate your MTB performance to new heights. Engineered with precision and designed for durability, these crank arms are the ultimate choice for both professional riders and passionate enthusiasts who demand nothing but the best from their equipment.
Material Excellence:
At the core of these exceptional crank arms lies the 7075 aluminum alloy, a material renowned for its remarkable strength-to-weight ratio. 7075 aluminum is an aerospace-grade alloy that offers superior tensile strength, making it highly resistant to deformation and fatigue even under the most extreme riding conditions. This means that our crank arms can withstand the intense forces generated during aggressive downhill descents, steep climbs, and high-speed sprints without compromising their structural integrity.
Moreover, despite its impressive strength, 7075 aluminum remains incredibly lightweight. This reduces the overall rotational mass of the bike, allowing for quicker acceleration and improved handling. With these crank arms, you'll notice a significant difference in your ability to power through technical sections of the trail and maintain momentum on flat or uphill terrain.
Key Features:
| Feature | English Description |
|---|---|
| Topology Optimization | Hollow-core design with stress-relief channels |
| Aerodynamic Edge | CNC-machined chamfer reduces wind drag by 3.2% |
| Impact Protection | Reinforced pedal insert threads (M15 x 1.0) |
| Installation Guide | Laser-etched torque marks (12Nm for chainring bolts) |
| Color Options | Black/Gun Grey/Anodized Blue |
Compatibility and Installation:
We understand the importance of compatibility when it comes to bike components. That's why our Lightweight CNC Milled 7075 Aluminum Crank Arms are designed to be compatible with a wide range of MTB models and drivetrain systems. Whether you have a modern full-suspension bike or a classic hardtail, these crank arms will fit seamlessly onto your bike, ensuring a hassle-free installation process.
Our crank arms come with all the necessary hardware and instructions for easy installation. Even if you're not an experienced mechanic, you'll be able to install these crank arms on your bike with relative ease. And if you do have any questions or need assistance during the installation process, our dedicated customer support team is always available to help.
Why Consider Us?
1. No mold fees for aluminum profiles – We cover these costs to reduce your expenses.
2. No welding fixture charges – Another way we help you save.
3. Combining different Producing Technology – Outsource Aluminium Profile, Shaped Metal, Metal Casting materials and MIM materials, then CNC machining to lower the unit price.
4. One-Stop Factory – Our factory, certified with ISO9001 and IATF16949, offers one-stop services including laser cutting, bending, stamping, CNC machining, sheet metal working, welding and assembling, ensuring stable quality control.
