Motorcycle Accessories Mirror Holder Bracket Die Cast CNC Machined Parts Aluminium Blue Anodized

Motorcycle Accessories Mirror Holder Bracket Die Cast CNC Machined Parts Aluminium Blue Anodized​​ ​

What Are CNC Motorcycle Parts?

CNC, or Computer Numerical Control, machining is a subtractive manufacturing process where pre-programmed computer software dictates the movement of factory tools and machinery. This technology uses CAD (Computer-Aided Design) and CAM (Computer-Aided Manufacturing) software to precisely control machining tools to remove material from a stock piece to create a desired part.

Historically, motorcycle parts were manufactured using manual machining, casting, and forging – methods that often involved more manual labor, were less precise, and offered limited repeatability. The adoption of CNC machining in the motorcycle industry marks a significant shift towards higher precision, improved material utilization, and mass production capabilities. Modern CNC machines can achieve impressive tolerance levels, often down to ±0.005 mm, ensuring consistent quality and interchangeability of parts. This repeatability is crucial for mass production and maintaining quality across large batches of components.

Types of CNC Motorcycle Parts

CNC machining is used to create a vast array of motorcycle components, each designed to enhance specific aspects of the bike.

Engine Components:

CNC machining allows for the creation of complex engine parts with enhanced performance characteristics. For example, CNC-machined cylinder heads are engineered to optimize airflow and improve heat dissipation, leading to enhanced horsepower and fuel efficiency. Other engine components include valve covers, engine cases, and rocker arms, all benefiting from CNC precision.

Suspension Systems:

The responsiveness and stability of a motorcycle’s suspension are paramount. Custom CNC-machined triple trees can alter steering geometry for sharper handling and improved rider feedback. Fork tubes, shock bodies, and suspension linkages are also frequently CNC-machined for increased strength and precision.

Braking Systems:

Braking performance is critical for safety and control. Monoblock calipers, often CNC-machined from a single piece of aluminum, offer superior rigidity and improved heat management compared to traditional multi-piece calipers, resulting in more consistent and powerful braking. CNC is also used for brake rotors, master cylinder components, and CNC clutch levers for enhanced feel and adjustability.

Aesthetic and Custom Parts:

CNC machining excels at creating visually striking and personalized components. Billet aluminum grips, engraved sprocket covers, CNC footpegs, and custom logos are just a few examples of how CNC elevates the aesthetic appeal of motorcycles. These parts allow riders to express their individuality and create truly unique machines.

Niche Additions:

As motorcycle technology evolves, CNC machining adapts to create specialized components for emerging trends. Examples include lightweight battery trays for electric motorcycles to optimize weight distribution and lightweight chain adjusters for racing applications, allowing for precise chain tension adjustments. CNC lever guards are also becoming increasingly popular for racing and street bikes, protecting brake and clutch levers from accidental engagement.

CNC Machining Tolerance