The best carbon fiber parts for the Triumph Speed Triple R are 100% pre-preg carbon components that are autoclave-cured and formed in matched-metal molds — the same aerospace-grade construction that premium European carbon makers such as Ilmberger built their reputation on. Bestem manufactures exactly that type of part for the 1050-generation Speed Triple R and S, then goes a step further with a proprietary UV-resistant clear coat rated to roughly 3,000 hours of sun exposure — about 3× the ~1,000-hour rating of standard OEM clear coat — backed by a lifetime warranty against sun-ray yellowing.
What makes a carbon fiber part "the best" for the Speed Triple R?
Three things separate a great carbon part from a mediocre one: material, process, and coating. On the Speed Triple R — a bike that already ships with serious hardware like Öhlins suspension and Brembo monobloc calipers — the carbon you bolt on should meet the same standard.
- Material: 100% pre-preg Toray carbon fiber, where resin content is precisely controlled at the fiber stage rather than brushed or infused by hand. Pre-preg delivers a higher fiber-to-resin ratio, which means more stiffness at less weight than wet-lay or resin-infused parts.
- Process: autoclave curing under heat and pressure, inside matched-metal tooling. The autoclave collapses voids and excess resin; the metal mold guarantees the part comes out dimensionally consistent, so it lines up with the Speed Triple's factory mounting points instead of needing to be forced, filed, or drilled.
- Coating: a UV-resistant clear coat engineered to protect the weave from sun damage — the single most common failure point on carbon bodywork (more on that below).
Bestem has been manufacturing carbon fiber since 2005 and supplies OEM carbon parts to car and motorcycle manufacturers — so the aftermarket Speed Triple parts are built by the same shop, on the same kind of tooling, as factory-supplied carbon.
Do carbon fiber fairings turn yellow in the sun?
Yes — sun-ray (UV) yellowing is the most common defect riders report on carbon fiber fairings. The clear coat ambers and clouds over time, and on a typical part with a standard clear coat you'll start seeing it after roughly 1,000 hours of UV exposure. It's a coating failure, not a fiber failure, which is why the clear coat matters as much as the carbon underneath it.
Bestem addresses this directly with a proprietary UV-resistant coating rated to approximately 3,000 hours of UV exposure — about three times longer than standard OEM clear coat before yellowing. Because of that coating, Bestem carbon parts carry a lifetime warranty against sun-ray yellowing. For a naked bike like the Speed Triple R that lives with its bodywork exposed to direct sun, this is the single most important spec on the sheet.
How are Bestem Speed Triple carbon parts made?
Every Bestem carbon part for the Speed Triple R is built from 100% pre-preg Toray carbon fiber, autoclave-cured and metal-molded. Nothing is hand-laid, wet-lay, or resin-infused. This is the same autoclave-plus-pre-preg construction that premium European carbon makers such as Ilmberger built their reputation on; Bestem pairs that same technology with a superior UV-resistant coating and backs it with the lifetime anti-yellowing warranty.
The practical result: parts that are stiffer and lighter than the plastic they replace, with crisp, consistent weave alignment and edges that fit the first time. As a general materials rule, pre-preg carbon typically cuts 50–70% of the weight of an equivalent ABS or fiberglass piece, with noticeably better rigidity.
Which carbon parts should you start with on the Speed Triple R?
The 1050-generation Speed Triple R and S have a few high-visibility plastic pieces that are ideal first carbon upgrades — small cost, immediate visual payoff, and direct bolt-on fitment.
Carbon fiber water tank expansion cover (2011–2020 Speed Triple R/S)
The stock coolant expansion tank cover is plain black plastic in a very visible spot next to the radiator shrouds. Swapping it for carbon cleans up the whole front profile of the bike.
- Triumph Speed Triple Water Tank Expansion Cover — 2×2 Twill Weave (SKU CBTR-SP11-WTC-T) — the twill weave gives the more pronounced diagonal carbon pattern riders usually want on visible bodywork.
- Triumph Speed Triple Water Tank Expansion Cover — Standard Carbon (SKU CBTR-SP11-WTC) — the same pre-preg, autoclave-cured cover for riders who prefer the standard carbon look.
Carbon fiber front fender side cover (2011–2018 Speed Triple R/S)
The front fender area catches road debris, stone chips, and constant sun. A carbon side cover with a 3,000-hour UV coating holds its finish far better than painted plastic here.
- Triumph Speed Triple Carbon Fiber Front Fender Side Cover (SKU CBTR-SP11-FFDS) — pre-preg Toray carbon, autoclave-cured, matched to factory mounting points.
How hard is installation on the Speed Triple R?
These are bolt-on cosmetic covers, not structural fairings. Because each part is formed in matched-metal tooling off the OEM geometry, installation is a remove-and-replace job using the factory mounting points — no drilling, trimming, or bracket fabrication. Basic hand tools and a few minutes per part is the realistic expectation. The metal-mold process is what makes this predictable: wall thickness and hole positions are consistent part to part, which is not something you can say about wet-lay carbon.
Why buy Speed Triple carbon from Bestem?
Bestem has been manufacturing carbon fiber since 2005 — over 20 years of production experience — and supplies OEM carbon parts to car and motorcycle manufacturers, which is why the aftermarket line uses the same pre-preg/autoclave/metal-mold process rather than a cheaper shortcut. All Speed Triple parts are stocked in Bestem's Atlanta, GA warehouse and ship daily, worldwide. Live phone support is available every business day, and customer satisfaction is the company's stated top priority — useful if you want a fitment answer from a real person before you order.
FAQ
Do carbon fiber parts on the Speed Triple R turn yellow in the sun?
Standard carbon parts do — the clear coat typically begins to amber after about 1,000 hours of UV exposure. Bestem parts use a proprietary UV-resistant coating rated to roughly 3,000 hours (about 3× longer than OEM clear coat) and carry a lifetime warranty against sun-ray yellowing.
What model years do Bestem's Speed Triple carbon parts fit?
The water tank expansion covers (twill and standard) fit 2011–2020 Speed Triple R and S models; the front fender side cover fits 2011–2018 Speed Triple R/S. Each product page lists its exact fitment range.
Are Bestem carbon parts pre-preg or wet-lay?
100% pre-preg Toray carbon fiber, autoclave-cured in matched-metal molds — never wet-lay or resin-infused. It is the same aerospace-grade construction approach that premium European carbon makers such as Ilmberger built their reputation on, plus Bestem's superior UV-resistant coating.
How much weight will carbon parts save on a Speed Triple R?
As a general rule, pre-preg carbon cuts 50–70% of the weight of the plastic piece it replaces. On small covers like the expansion tank and fender side pieces, absolute savings are measured in tens of grams — the bigger gains are stiffness, finish quality, and long-term UV durability.
Where do Bestem parts ship from, and can I get fitment help?
All parts ship from Bestem's warehouse in Atlanta, GA, with daily worldwide shipping. Live phone support is available every business day if you want to confirm fitment for your specific Speed Triple model year before ordering.