Oem Custom Cnc Parts Gear Shaft Aluminum Alloy Shafts Metal Pinion Spline Shafts for Bicycle

Introduction to Oem Custom Cnc Parts Gear Shaft Aluminum Alloy Shafts Metal Pinion Spline Shafts for Bicycle

Oem Custom Cnc Parts Gear Shaft Aluminum Alloy Shafts Metal Pinion Spline Shafts for Bicycle are important components in mechanical systems used to support rotating parts (such as gears, pulleys or sprockets) and transmit torque. They play a key role in mechanical equipment by connecting the power source with the working parts to ensure the effective transmission of power.

Characteristic advantages of Oem Custom Cnc Parts Gear Shaft Aluminum Alloy Shafts Metal Pinion Spline Shafts for Bicycle

High precision: adopting precision machining technology ensures the size and shape accuracy of the shaft and improves the transmission efficiency.

High strength: made of high-quality materials with good tensile, compressive and wear-resistant properties.

Reliability: After strict quality control, it ensures stable operation for a long time.

Versatile design: A variety of specifications and types are available to suit different applications.

Easy maintenance: the structure is designed for easy installation and repair, reducing maintenance costs.

Specification of Oem Custom Cnc Parts Gear Shaft Aluminum Alloy Shafts Metal Pinion Spline Shafts for Bicycle

Precision OEM Custom CNC Gear Shafts for Bicycles

High-Quality Aluminum Alloy Construction

Our custom gear shafts are made from premium aluminum alloy. This material offers a strong balance of light weight and durability. It resists corrosion well and handles stress without deforming. Every shaft is built to meet the demands of modern bicycle drivetrains.

Exact CNC Machining for Perfect Fit

Each shaft is shaped using advanced CNC technology. This ensures tight tolerances and consistent quality across every unit. We follow your exact specifications—whether you need a simple pinion or a complex spline shaft. The result is a part that fits smoothly into your assembly with no extra adjustments.

Custom Designs Welcome

We support full OEM customization. You can choose the length, diameter, tooth profile, spline count, and surface finish. Our team works closely with you to turn your design into a functional metal component. Small batches or large-scale production—we handle both with the same attention to detail.

Built for Real-World Performance

These shafts are tested under real riding conditions. They deliver smooth power transfer and reliable performance over time. The precise teeth mesh cleanly with chainrings and sprockets, reducing noise and wear. Riders get a quieter, more efficient ride.

Surface Finish Options

We offer several surface treatments to match your needs. Options include anodizing for extra protection, bead blasting for a matte look, or polishing for a clean shine. Each finish enhances appearance while maintaining function.

All parts ship ready for integration into your bicycle systems. No secondary processing is needed. Just install and go.

Applications of Oem Custom Cnc Parts Gear Shaft Aluminum Alloy Shafts Metal Pinion Spline Shafts for Bicycle

Precision Engineered for Performance

Custom CNC Gear Shafts Built to Ride

Our OEM custom CNC parts include high-quality gear shafts, aluminum alloy shafts, metal pinions, and spline shafts made specifically for bicycles. Each component is machined with tight tolerances to ensure smooth power transfer and long-lasting reliability. We use premium aluminum alloys that offer a strong yet lightweight solution—ideal for both everyday commuters and serious cyclists.

Why choose our custom shafts?
Every shaft starts as a solid block of certified aluminum alloy. Advanced CNC technology shapes it into the exact dimensions you need. This process guarantees consistent quality, perfect alignment, and clean surface finishes. Whether you need a simple gear shaft or a complex spline design, we can match your technical drawings or help refine your concept.

These parts work well in e-bikes, mountain bikes, cargo bikes, and racing frames. The metal pinions mesh smoothly with gears, reducing noise and wear over time. Spline shafts provide secure torque transmission without slipping, even under heavy load. All products go through strict quality checks before shipping.

We support small batches and large-scale production runs. You decide the specs—length, diameter, tooth profile, surface treatment—and we deliver parts that fit right the first time. Anodizing, hardening, or other finishes are available to boost corrosion resistance and durability.

Built for real-world use, our CNC-machined bicycle shafts give manufacturers and builders the precision they need without compromise. Lightweight, strong, and made to last—these components keep your drivetrain running efficiently mile after mile.

Company Introduction

Established in 2002, Port of Machinery Co.,ltd. focus on metal research and mining machinery spare parts. 2 factories over an area of 13,300 square meters, based on 100+ sets of equipment, our production capacity reaches 12000 Tons/Year. has passed ISO 9001 quality managment system certification in 2008.

Our mainly products are dragline excavator spare parts,rotary kiln spare parts, large modulus gear (gear shaft), gearbox ect. 40+ patents with over 45 years experience to help focus on improve the service life of spare parts. We belive that more than 80% reason of mechanical parts’ working life depends on hot processing (steel making/forging/casting/welding/heat treatment). Eight material engineers will control the quality from the original resource.

If you are interested, please feel free to contact us.

5 FAQs of Oem Custom Cnc Parts Gear Shaft Aluminum Alloy Shafts Metal Pinion Spline Shafts for Bicycle

Frequently Asked Questions

What materials are used for your gear shafts?

We make our gear shafts from high-quality aluminum alloy. This material is strong but light. It works well for bicycles because it reduces weight without losing strength. We also offer other metals if you need them.

Can you customize the size and shape?

Yes. We offer full OEM customization. You can choose the length, diameter, tooth profile, spline count, or any other detail. Just send us your drawing or specs. We will produce parts that match your design exactly.

How precise are your CNC-machined parts?

Our CNC machines hold tight tolerances, usually within ±0.02 mm. This ensures each shaft fits perfectly with other bike components. Precision matters for smooth gear shifting and long life.

What surface finishes do you provide?

We offer several surface options. These include anodizing (clear or colored), sandblasting, polishing, and black oxide. Anodizing adds corrosion resistance and improves looks. Tell us your needs, and we’ll apply the right finish.

How long does production take?

Standard lead time is 7 to 15 days after we confirm your order. Small batches may be ready faster. Large or complex orders could take a bit longer. We always give a clear timeline before starting work. Shipping time depends on your location and chosen method.