Congratulations, you have just taken a huge step towards becoming an educated consumer in the WORLD OF CARBON FIBER PRODUCTS. First of all, not all carbon fiber products are EQUAL. Please read this carefully and consider all the facts before buying any carbon fiber parts. It does not matter if you buy from OPP or any other company. We want to teach YOU how to buy carbon fiber products and get your money's worth.

Why do we care? We care because too many consumers are unaware about BAD carbon fiber products. There are established manufacturers and Ebay sellers who are promoting inferior carbon fiber products. Too many consumers make the wrong decision before purchasing a product. Most manufacturers will not give you any of this information because a sale is a sale and they do not care about the consumer. We are going to revolutionize the carbon fiber industry by telling YOU all of the secrets that the other manufacturers do not want you to know!


Carbon fiber products are composed of two materials: resin and fabric. Good carbon fiber products should only be made with EPOXY RESIN and CARBON FIBER FABRIC. OPP carbon fiber products are made only with epoxy resin and carbon fiber fabric.


Before you buy, ask your seller: "What kind of resin does your company use for carbon fiber and its derivatives?"

The wrong answer is POLYESTER RESIN!!!

Polyester resin is the cheapest product that any company can buy when working with carbon fiber or its derivatives.

  1. Polyester resin has a blueish finish instead of a clear finish. The blue tint significantly reduces the appearance of the product.
  2. Polyester resin is inflexible and will spider-crack at the mere thought of bending. Spider cracks fracture from the point of damage and are very difficult to fix.
  3. Excessive amounts of polyester resin need to be used during the molding process. This adds considerable weight to the product and defeats the purpose of purchasing lightweight carbon fiber.
  4. Polyester resin will shrink over time and alter the shape of the final product, resulting in installation headaches and additional modifications for fit.
  5. Polyester resin is not UV resistant and will turn yellow over time.

The correct answer is EPOXY RESIN!!!

Epoxy resin is the industry standard for high-performance race products.

  1. Epoxy resin is extremely flexible. The flexibility allows a carbon fiber product to absorb a high level of impact force without breaking.
  2. Epoxy resin does not spider-crack. When epoxy reaches it's maximum bending potential (MBP), it will form only a single crack at the stress point.
  3. Epoxy resin has a transparent finish that allows the deep, black 3D appearance of the carbon fiber to show through.
  4. Epoxy resin does not shrink.
  5. Epoxy is 100% UV resistant.

Photo Examples of Polyester Resin problems

Flexible Epoxy vs. Inflexible Polyester



Polyester Resin Close up with Multiple Spider Cracks Note Blusish Finish
Above- Look at the multiple spider cracks on polyester resin based fender (this is NOT made by us!)

Polyester Resin Fender Note Spider Crack and Excessive Resin Around Mounting Hole
(above) Polyester resin: Note the spider crack, and excessive resin around mounting hole:

(above)OPP using Epoxy Resin: By comparison, look at a cracked OPP fender with Epoxy resin, you can barely see the crack. Remember, Epoxy resin will form only a single crack at stress point after reaching Maximum bending potential.

Blueish Tint vs. Clear Tint
Polyester Resin Close-Up with Spider Cracks Note Blueish Finish
(above): Note the blueish finish on the polyester resin. 

(above): OPP fender on left, Polyester resin on right. Note how the colour comes through better on the 100% clear Epoxy resin finish of the OPP piece. 

(above): Again, OPP fender on left, Polyester resin on right. The polyester resin's non-clear coating can be seen here.

Most manufacturers do not use epoxy resin because they are more interested in profits rather than delivering light, flexible and durable carbon fiber. Epoxy resin costs about 3x (three times) more than polyester resin. Epoxy resin (which is a liquid-like material) is more difficult to work with than polyester resin (which is a thicker viscous material). Epoxy resin is also toxic in its natural liquid form and requires high-grade ventilation systems to work with it safely. Yet these manufacturers who use polyester resin charge the same prices as carbon fiber products made with epoxy resin!


Before you buy, ask your seller: "How many layers of carbon fiber does your company use?"

Most companies claim that they manufacture carbon fiber products, however, this is only half the truth. 95% of companies use only ONE LAYER OF CARBON FIBER and TWO-THREE LAYERS OF FIBERGLASS. They spray paint the inside black so you cannot see the clear white fiberglass. Consumers are paying premium prices associated with pure carbon fiber products but are receiving inferior products made with fiberglass.

High-end companies will use two to three layers of carbon fiber. Sometimes a silk glass product is used to seal the edges and overlapping carbon fiber is used to prevent splinters and smooth transitions in layers. This silk glass product is called Avio-fiber; it is extremely expensive but results in a lightweight, superior product.  Avio-fiber is best in Race Kevlar bodywork and overlapping carbon fiber in every carbon fiber manufacturing process.


Resin and fabric is also important in the creation of molds! In order to create a carbon fiber part, a mold needs to be created. This mold provides the shape of the part. The mold is the first and most expensive part of the manufacturing process. To save money, bad manufacturers will make their molds from polyester resin and fiberglass. The polyester resin will shrink over time and will cause the mold to become deformed. Fiberglass is not durable so the mold will eventually twist and crack. These manufacturers will try to repair the mold and continue to manufacture defective carbon fiber parts that will require substantial modification to install.

High quality molds are made with epoxy resin and carbon fiber, just like the final product. We only sell epoxy resin  products and carbon fiber for its molds so the final product is always perfect.


So now you are informed about what you need to buy good quality carbon fiber products. Call your company and ask what kind of products they sell. If you hear "fiberglass" or "polyester resin", hang up. If they stumble and give you a BS answer, you know what the real answer is. You have just been educated. Good luck on your future purchases!


OPP-Optimum Performance Products Inc. (OPP)  is committed to providing sportbike riders with top-quality carbon fiber products at fair, competitive prices. OPP offers a wide range of bodywork including Carbon Fiber, Carbon Kevlar, Titanium Silver, Fiberglass and Race Kevlar.

We are the exclusive distributors and partners with FullSix Carbon fiber by CDT Group. The leading edge company that provides only the finest carbon fiber products hands down, no if , no buts , PERIOD. Read about CDT Group and their flag ship carbon fiber products which is registered under the brand name FullSix carbon fiber.

OPP was the first distributor to provide carbon kevlar reinforced mounting points, a practice which has now become an industry standard. OPP is associated with numerous European race organizations and is a leader in introducing bodywork for new models.

OPP is also committed to providing top-quality products from industry-leading manufacturers such as Gilles Tooling (Europe's #1 Clip-on and Rear Set manufacturer), Galespeed (Japan's #1 forged aluminum wheel manufacturer) and LighTech (Europe's #1 manufacturer of carbon fiber mirrors and anodized ergal-aluminum accessories).


1) SEBIMOTO (located in czech republic)

produce fiberglass , carbon fiber ( lol )

This company is a true scam ! If you ever had the unpleasent experience of purchasing some of their products from companies like Yoyoclown, then you know what a true nightmare this product is. All molds produced in polyester resin, the molds are made poorly and quickly , therefore no parts ever fit ! If you love using a dremel , file and spend a dozen hours messing around , then this is the product you need to buy !!


For more information, please visit or email us at [email protected].