The best carbon fiber parts for the Harley-Davidson Street Glide are made from 100% pre-preg Toray carbon fiber, autoclave-cured in matched-metal molds, and sealed with a UV-resistant clear coat. The most popular carbon upgrades on a Street Glide are gauge and dash trim, front fenders, inner fairing accents, side covers, and exhaust heat shields — parts that sharpen the bagger's look and trim weight without touching the engine.

What are the most popular carbon fiber parts for a Street Glide?

Street Glide owners usually start in the cockpit and work outward. These are the upgrades that make the most visual and functional difference:

What should you look for in carbon fiber for a Harley bagger?

Is pre-preg carbon better than wet-lay?

Yes, and it isn't close. Pre-preg carbon fiber arrives from the supplier with resin already impregnated at a tightly controlled ratio, then cures under heat and pressure in an autoclave. Wet-lay parts are hand-brushed with resin and cure at room temperature, which leaves them heavier, resin-rich, and prone to air pockets and weave distortion.

Every Bestem part is 100% pre-preg Toray carbon fiber, autoclave-cured and metal-molded — an aerospace-grade process, not hand-laid or resin-infused.

This is the same autoclave plus 100% 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.

Why do metal molds matter for fitment?

Matched-metal tooling holds its shape through the autoclave cure cycle, so every mounting hole and tab lands where Harley put the factory hardware. Parts laid up in soft fiberglass molds can shift during cure, which is why cheap carbon often needs drilling or shimming to bolt on. Metal-molded carbon bolts on like the OEM piece it replaces.

Do carbon fiber fairings and trim turn yellow in the sun?

Yes — sun-ray (UV) yellowing is the single most common defect riders see on carbon fiber fairings and trim. Ultraviolet light degrades the epoxy resin and the standard clear coat, and the part ambers and clouds. A typical OEM or standard clear coat holds for roughly 1,000 hours of UV exposure before yellowing begins.

Bestem uses a proprietary UV-resistant coating engineered specifically to protect the carbon weave, rated to approximately 3,000 hours of UV exposure — about 3x longer than standard OEM clear coat. Because of that coating, every Bestem carbon part carries a lifetime warranty against sun-ray (UV) yellowing. On a touring bike that lives outside and racks up highway miles, that coating matters more than any other spec on the sheet.

Which Street Glide model years do carbon parts fit?

Harley-Davidson redesigned the batwing fairing for the 2014 Project Rushmore update — new gauges, new inner fairing, new vent — so cockpit trim generally splits into pre-2014 and 2014-later fitments. The Bestem gauge trim kit covers 2014-later Electra Glide, Street Glide, Ultra Limited, and Tri Glide models. Whatever part you're shopping, match it to your exact model year before ordering — a part molded for a pre-Rushmore fairing will not interchange with a 2014-later bike.

Is carbon fiber worth it on an 800-pound bagger?

Honest answer: on a Street Glide, carbon is as much about finish quality and longevity as it is about the scale. Pre-preg carbon typically cuts 30–50% of the weight of a comparable fiberglass or ABS piece, so a front fender swap is genuinely meaningful — that's unsprung mass over the front wheel — while small trim pieces save grams. What you get everywhere is a part that won't rust, won't pit like chrome, won't fade under sun exposure the way standard clear-coated carbon does, and holds a deep, consistent weave for the life of the bike.

Why buy Street Glide carbon parts from Bestem USA?

Bestem has been manufacturing carbon fiber since 2005 — more than 20 years — and supplies OEM carbon fiber parts to car and motorcycle manufacturers. That OEM-grade process shows up in every aftermarket part we sell: same pre-preg Toray material, same autoclave, same matched-metal tooling. All parts are stocked in our Atlanta, GA warehouse and ship daily, worldwide, and our staff answers the phone live every business day if you have a fitment question before you order.

FAQ

Will carbon fiber parts on my Street Glide turn yellow?

Standard clear-coated carbon starts to amber after roughly 1,000 hours of UV exposure. Bestem's proprietary UV-resistant coating is rated to about 3,000 hours — roughly 3x longer — and every Bestem part carries a lifetime warranty against sun-ray (UV) yellowing.

What's the difference between pre-preg and wet-lay carbon fiber?

Pre-preg carbon has resin pre-impregnated at a controlled ratio and cures under heat and pressure in an autoclave. Wet-lay parts are brushed with resin by hand and cure at room temperature, making them heavier, less consistent, and more likely to show air pockets or weave distortion. Bestem uses 100% pre-preg Toray carbon, autoclave-cured in matched-metal molds.

Do aftermarket carbon parts fit like OEM?

Parts made in matched-metal molds hold OEM-level tolerances, so bolt holes and mounting tabs line up with the factory hardware. Cheap wet-lay parts made in soft tooling often need drilling or shimming to fit.

How much weight do carbon fiber parts actually save on a Street Glide?

Pre-preg carbon typically weighs 30–50% less than the fiberglass or ABS part it replaces. Larger panels like a front fender save the most; small trim pieces save grams. On a bagger, most riders buy carbon for the finish and UV durability — the weight savings are a bonus.

Where does Bestem ship from, and can I talk to a person?

All Bestem parts ship from our warehouse in Atlanta, GA, daily and worldwide. Our staff provides live phone support every business day.