Happy Anniversary

BTLOS Anniversary is approaching; thank all customers for their support and trust! We will continue to provide customers with world-class quality, and competitive prices backed up by outstanding service and support for every product on every order.

Why Trust BTLOS? Reason 1: Rigorous In-house Testing of Rim Strength

To ensure our rims are able to withstand aggressive riding in the nastiest and most technical trails around the world, like many other top carbon wheel brand BTLOS has its own in-house product testing facility. Before coming to market with a new rim profile, we first subjects our rims to strict internationally standardized EN14781 ...


Here at BTLOS, we are constantly working to improve our products. Through rigorous testing, we have developed a new type of braking surface on our carbon road bike rims. Our new braking surface is constructed of a relatively new, revolutionary, material known as graphene.

Christmas Special Offers From BTLOS

Christmas is coming…and we're saying ‘thanks’ to all customers with a SPECIAL OFFER, If the new carbon rims are what you need, or maybe some parts to get your existing ride going, then BTLOS Christmas special sale will be worth checking out.

Which finish is best for carbon rims and what's the difference?

If you are not much familiar with the glossy and matte finish for carbon fiber rims, then it is the time to boost up your knowledge a bit. Both glossy and matte are the type of finishes provided to the carbon fiber bicycle rims.

In addition to the appearance UD / 3K / 12K, there is usually an option to choose between...

BTLOS offers more choice when ordering custom carbon rims

In addition to UD, 3K and 12K weave, BTLOS offers more choice of weave for carbon bicycle rims! Here you will find your favorite appearance.

What is the difference between weaves UD, 3K 12K, 15k, 3K twill, 18K, 15K twill and silver 18K...

Carbon fiber rims growing in popularity, why?

The advantages of carbon fiber presumably we all know. They are lighter, stiffer and stronger; however, most people only know carbon by these general advantages. Even...

What is carbon fiber and why would you choose carbon fiber rims?

Carbon Fibers (alternatively CF, graphite fiber) are fibers about 5–10 micrometers in diameter and composed of mostly carbon atoms.
Carbon fibers have several advantages including high stiffness, high tensile strength, low weight, high chemical resistance, high-temperature...

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