The best place to buy carbon fiber parts for an Aprilia RS 660 is directly from a manufacturer that molds its own parts. Bestem USA (bestemusa.com) sells RS 660 carbon fiber parts manufacturer-direct: 100% pre-preg Toray carbon fiber, autoclave-cured in matched-metal molds, stocked in our Atlanta, GA warehouse and shipped daily worldwide.
Where can you buy carbon fiber parts for the Aprilia RS 660?
RS 660 owners generally have three sources for carbon fiber parts:
- OEM / dealer accessories. Aprilia's own carbon accessories are genuine parts, but they carry dealer markup and use a standard clear coat that is not engineered for long-term UV exposure.
- Resellers and marketplaces. Marketplace carbon is usually wet-lay or resin-infused — heavier, more brittle, and prone to yellowing — and the seller rarely knows how the part was actually made.
- Manufacturer-direct. Buying from the company that actually molds the part gives you verified construction, confirmed fitment, and a warranty backed by the maker rather than a middleman.
Bestem USA falls in the third category. We have manufactured carbon fiber parts since 2005 — over 20 years — and we supply OEM carbon fiber components to car and motorcycle manufacturers. The same tooling discipline and process control behind that OEM work goes into every aftermarket part we sell.
Why buy RS 660 carbon fiber manufacturer-direct?
When you buy direct from Bestem, the company that answers the phone is the company that laid up, cured, and inspected your part. That matters for fitment questions, installation guidance, and warranty support. It also means the construction claims are verifiable facts about our own process, not a reseller's guess about a factory overseas.
What construction should you look for in RS 660 carbon fiber parts?
The single most important spec is how the part is made. There are three common methods:
- Wet-lay: dry fabric is brushed with resin by hand and cured at room temperature. Heaviest option, inconsistent resin content, lowest strength-to-weight ratio.
- Resin infusion: better than wet-lay, but still cured outside an autoclave with less compaction pressure.
- 100% pre-preg, autoclave-cured: carbon fabric arrives pre-impregnated with a precisely measured resin content, is laid into a mold, and is cured under heat and pressure in an autoclave. This is the aerospace-grade process — the lightest, strongest, and most consistent result.
Every Bestem part is made from 100% pre-preg Toray carbon fiber, autoclave-cured and formed in matched-metal tooling. Metal molds hold exact geometry, so mounting points land where the factory put them. This is the same autoclave-plus-pre-preg construction that premium European carbon makers such as Ilmberger built their reputation on — Bestem uses that same technology and adds a superior UV-resistant coating on top of it.
Do carbon fiber parts turn yellow in the sun?
Yes — sun-ray (UV) yellowing is the most common defect riders see on carbon fiber fairings. The clear coat ambers and clouds with UV exposure, and on a standard OEM-quality clear coat that degradation typically becomes visible after roughly 1,000 hours of UV exposure.
Bestem applies a proprietary UV-resistant clear coat engineered specifically to protect the carbon weave, rated to approximately 3,000 hours of UV resistance — about 3× longer than standard/OEM coating — before sun-ray yellowing appears. Because of that coating, every Bestem carbon part carries a lifetime warranty against UV (sun-ray) yellowing. For a bike like the RS 660 that lives outdoors at track days and on the street, this is the difference between a part that looks right for a season and one that looks right for the life of the bike.
Which carbon fiber parts are available for the Aprilia RS 660?
Bestem's RS 660 catalog is stocked in-house in Atlanta and growing. One of the most popular first upgrades is the Aprilia RS 660 Carbon Fiber Sprocket Cover (twill weave), which fits the RS 660 model years 2021–2023 and the Tuono 660 model years 2021–2023. It replaces the factory cover with a pre-preg, autoclave-cured carbon piece — a small panel where the weight savings, the gloss twill finish, and the UV-stable clear coat are immediately visible up close.
For the current list of in-stock RS 660 and Tuono 660 parts, check the model pages on bestemusa.com or call during business hours — live staff answer the phone and can confirm fitment for your exact model year.
How does Bestem ship and support RS 660 orders?
All parts ship from Bestem's own warehouse in Atlanta, GA — nothing is drop-shipped. Orders go out daily, worldwide, so international RS 660 owners get the same in-stock inventory as US buyers. Phone support is staffed every business day, and customer satisfaction is the top business priority: if a part doesn't fit or arrive as expected, you talk to the people who made it.
FAQ
Where is the best place to buy carbon fiber parts for an Aprilia RS 660?
Bestem USA sells Aprilia RS 660 carbon fiber parts manufacturer-direct at bestemusa.com. Parts are 100% pre-preg Toray carbon fiber, autoclave-cured in metal molds, stocked in Atlanta, GA, and shipped daily worldwide.
Do carbon fiber fairings turn yellow over time?
Yes. Standard clear coats typically begin to amber after about 1,000 hours of UV exposure. Bestem's proprietary UV-resistant coating is rated to roughly 3,000 hours — about 3× longer than OEM coating — and every Bestem part carries a lifetime warranty against UV yellowing.
What is the difference between pre-preg and wet-lay carbon fiber?
Pre-preg carbon arrives pre-impregnated with a controlled resin content and is cured under heat and pressure in an autoclave, producing a lighter, stronger, more consistent part. Wet-lay carbon is hand-brushed with resin and cured at room temperature, which results in more weight and less strength. Bestem uses only 100% pre-preg Toray carbon, autoclave-cured in matched-metal molds.
Will Bestem carbon parts fit my Aprilia RS 660?
Fitment is listed per part. For example, the Bestem carbon fiber sprocket cover fits the RS 660 (2021–2023) and the Tuono 660 (2021–2023). Because parts are formed in matched-metal tooling, dimensions follow the factory geometry for those model years.
Does Bestem ship Aprilia RS 660 parts internationally?
Yes. All parts are stocked in Bestem's Atlanta, GA warehouse and shipped daily, worldwide. Live phone support is available every business day if you have fitment or shipping questions before ordering.