<
>
Don't let a rare part be the end of your bike's story. We re-engineer and 3Dprint the spare parts you can't find anywhere else.
Preservering through R3-engineering
<
>
Don't let a rare part be the end of your bike's story. We re-engineer and 3Dprint the spare parts you can't find anywhere else.
Preservering through R3-engineering
Nylon material for 3D printed motorcycle parts
Written by: Martin | Founder of R3print Moto Last updated: 18-2-2026
What is Nylon?
Nylon (PA, Polyamide) is a high-performance engineering polymer known for exceptional strength, toughness, and chemical resistance. Unlike PLA or PETG, Nylon can handle structural and mechanical loads, making it ideal for motorcycle parts that need durability, wear resistance, and dimensional stability.
Nylon is widely used in automotive, industrial, and high-stress applications due to its combination of mechanical toughness, abrasion resistance, and heat tolerance.
There are several types of Nylon filaments commonly used in 3D printing, each with slightly different properties:
PA6 / PA12: Standard nylons with good strength, moderate abrasion resistance, and some flexibility. Often used for functional components that require toughness but don’t see extreme temperatures.
Glass-Filled Nylon (PA-GF): Reinforced with glass fibers for higher stiffness, strength, and heat resistance. Best for parts that need to maintain shape under mechanical stress.
Carbon Fiber Reinforced Nylon (PA-CF / PAHT-CF): Contains chopped carbon fibers, providing very high strength, stiffness, abrasion resistance, and thermal stability. Ideal for structural, high-stress, or heat-exposed motorcycle parts.
High-Temperature Nylon (PAHT): Specially formulated to withstand higher continuous temperatures (often 180–200°C) without losing mechanical properties, perfect for engine-adjacent applications.
Our material of choice, PAHT-CF, combines the benefits of high-temperature nylon with carbon fiber reinforcement, making it stiffer, stronger, and more wear-resistant than standard Nylon. This ensures that your printed parts are not only functional but capable of withstanding real-world motorcycle conditions.
Why PAHT‑CF Nylon is ideal for motorcycle parts
Classic motorcycles often have components that undergo repeated stress, friction, or mechanical wear. Nylon solves these issues with modern polymer performance.
Extremely high strength and stiffness
Excellent abrasion and wear resistance
High chemical resistance (fuels, oils, lubricants)
Exceptional dimensional stability under load
High continuous heat resistance (~180–200°C)
Reduced moisture absorption compared to standard nylon
These characteristics make PAHT-CF perfect for replacement parts such as: structural brackets and mounts, bushings and vibration‑resistant guides, chain and belt routing parts, wear surfaces and engine‑adjacent non‑extreme heat components.
When we recommend nylon
We typically suggest PAHT‑CF (Nylon) when the part must:
✔ Bear mechanical load or structural stress
✔ Resist abrasion and wear
✔ Maintain dimensional stability under repeated use
✔ Withstand high heat and chemical exposure
✔ Function reliably as moving or load-bearing components
For gears, structural mounts, bushings, and other functional components, PAHT-CF provides a durable, long-lasting solution that often outperforms the original factory material.
Technical Specifications
PAHT-CF has the following technical characteristics and places it among the most reliable materials.
| Properties | Value | Explanation |
| Melting Temperature | 225 °C | The temperature where the plastic stops being a solid and turns into a gooey liquid |
| Glass Transition* | 70 °C | The temp. where the plastic loses its stiffness and starts to behave like thick rubber |
| Vicat Softening Temp. | 220 °C | The temperature when the plastic is officially too soft to do its job |
| Heat Deflection Temp.* | 194 °C | The temperature when the part – if under load – starts to sag |
| Impact Strength (XY) | 57.5 kJ/m² | Impact strength determines if part dents (high) or shatters (low) upon impact. |
| Bending Strength (XY) | 125 MPa | Bending strength determines how much the part can bend, before snapping. |
| Res. Organic Solvents | High | Resistance to: gasoline, ethanol, degreasers, brake cleaner, and paint strippers. |
| Res. Oil and Grease | Excellent | Resistance to: engine oil, penetrating oils, brake fluid, greases, and chain lube. |
* While the material becomes slightly more flexible at its Glass Transition temperature, the part will not structurally sag or lose its shape until it reaches its much higher Heat Deflection temperature.
PAHT Engineering Standards
PAHT-CF is specifically utilized for components requiring high dimensional stability at elevated temperatures. Unlike standard polymers that may soften under engine-bay heat, this carbon-fiber reinforced material is engineered to maintain its mechanical properties and stiffness. Our material standards are informed by the technical data from BASF Forward AM, providing a reliable foundation for our R3-engineered motorcycle parts.
Real-world use cases
PAHT‑CF is widely used in engineering and automotive applications where materials are expected to perform under stress:
Automotive brackets and mounts
Structural housings and mechanical guides
Gears and chain guides
Heat‑tolerant mechanical components
High‑abrasion routing parts
These applications demonstrate why Nylon is ideal for parts that must withstand repeated stress and mechanical wear over time.
Nylon vs traditional plastics
Original motorcycle plastics from the 70s–90s were rarely designed for decades of use. Over time they become brittle, faded, warped or cracked. This is probably also why you are reading this page. Nylon reproductions last longer, resist wear, and maintain shape under load, making them ideal for vintage restorations and functional replacements.
This means a replacement printed today can actually be more durable than the original factory part.
How PAHT-CF compares to other 3D printing materials
Below is a comparison of common 3D printing materials, highlighting when Nylon should be used.
See legend below for the meaning of ratings.
| Material | Flexibility | Strength | Impact Resistance | UV Resistance | Chemical Resistance | Heat Resistance | Abrasion Resistance | Best For |
|---|---|---|---|---|---|---|---|---|
| PLA | None | Medium | Low | Very Low | Low | Very Low (~60°C) | Low | Prototypes only |
| PETG | Low | Medium | Medium | Medium | Medium | Medium (~80°C) | Medium | Light-duty covers |
| ASA | Low | High | Medium | Superb | Very High | High (~100°C) | Very High | Exterior motorcycle parts |
| TPU (90A) | Superb | Very High | Superb | High | Very High | High (~90°C) | Very High | Flexible, wear-resistant components |
| Nylon (PAHT-CF) | Low | Very High | Very High | High | Extremely High | Very High (~120°C) | Very High | Structural and load-bearing parts |
| PPS-CF | None | Superb | Medium | Superb | Superb | Superb (~200°C+) | Extremely High | Engine-area components |
| PPA-CF | Low | Very High | Very High | High | Extremely High | Very High (~150°C) | Very High | Structural, engine-adjacent, load-bearing motorcycle parts |
The following scale describes relative performance for each property of 3D printing materials, from minimal to top-tier performance. All ratings are based on motorcycle and automotive use cases, highlighting how each material performs under heat, vibration, chemical exposure, and mechanical stress typical for structural and functional parts.
| Rating | Meaning / Relative Level |
|---|---|
| None | No performance / negligible or unusable for the property |
| Very Low | Minimal performance, barely suitable |
| Low | Below average, limited performance for light applications |
| Medium | Average performance, adequate for standard/light-duty use |
| High | Above average, reliable for most standard applications |
| Very High | Strong performance for demanding applications |
| Extremely High | Exceptional performance for critical, high-stress applications |
| Superb | Top-tier / optimal performance under extreme conditions |
In short: PAHT‑CF stands out for applications requiring strength, dimensional stability, and resistance to wear and heat. Its carbon fiber reinforcement reduces moisture‑related deformation and improves load‑bearing performance, making it superior to standard PA nylon in almost every structural use case you will encounter on classic motorcycles..
Production
Every part is produced in a thermally controlled environment on our 3D printers using a high-temperature heatbed. This process ensures maximum layer adhesion and structural density, providing a weatherproof 3D printing solution that often outperforms the 40-year-old factory plastics it replaces.
Why we use engineering-grade PAHT-CF
We select industrial‑grade PAHT‑CF filaments designed for mechanical performance. This ensures replacement parts aren’t just visually correct, but capable of withstanding real-world stresses like vibration, high heat and friction to chemical exposure.
Frequently asked questions
Q: Is Nylon stronger than ABS?
A: Yes. Nylon has higher tensile strength, impact resistance, and better long-term durability under mechanical stress.
Q: Is PAHT‑CF stronger than regular nylon?
A: Yes. Carbon fiber reinforcement and high‑temperature formulation make PAHT‑CF significantly stronger and more dimensionally stable than standard PA nylon.
Q: Can PATH-CF handle fuel or oil exposure?
A: Yes — PAHT‑CF offers excellent chemical resistance, making it suitable for many automotive fluids and grease contact.
Q: Is PAHT-CF suitable for high-stress parts?
A: Absolutely. Structural mounts, gears, and wear-prone components are excellent candidates for PAHT-CF.
Q: What temperature range can PAHT‑CF handle?
A: PAHT‑CF can handle continuous exposure around 180–200°C, which is substantially higher than most engineering filaments outside of specialty polymers.
Need a part?
Now that you know all about Nylon, let’s get your machine back together. If the part you need is already in our archive, or if it’s a new challenge, we’re ready to start the print.