
Best selling Rear derailleurs from Ceramicspeed
On this page you’ll find a ranking of the best Rear derailleurs from Ceramicspeed. To give you a quick overview, we’ve added the most important product details. This page always stays fresh and updates automatically.
1. Ceramicspeed Rival AXS
The oversized pulley wheel system for SRAM Rival AXS features an upper pulley with 15 teeth and a lower one with 19 teeth to ensure maximum efficiency. The handcrafted OSPW system offers two spring tension settings, allowing for customization based on riding conditions.

2. Ceramicspeed Ospw
The oversized pulley wheel system (OSPW) for Shimano Dura Ace 9100 / Ultegra 8000, fully developed, designed, and produced by CeramicSpeed in Denmark, represents a technological advancement for the cycling industry. The OSPW system for Shimano derailleurs is compatible with cassette sizes up to 28 teeth. The overall power savings of the OSPW system for SRAM is between 40% and 60%, and in some cases even more. The oversized pulleys have a lifespan that is 3 to 5 times longer than standard market pulleys. The OSPW system combines the highest quality materials with a unique design, offering reduced friction and extended durability, enhancing your competitive edge. Thanks to the OSPW system for Shimano derailleurs, power savings start at 40%, and the CeramicSpeed bearings inside guarantee a lifespan that is three to five times longer compared to standard market pulleys. The power savings with a CeramicSpeed OSPW system for Shimano Dura Ace / Ultegra begin at 2.4 watts.

3. Ceramicspeed Dura-Ace, Ultegra, 105
Improve the performance of your 11-speed Shimano derailleur with pulleys that reduce friction and increase bearing lifespan. Our pulleys are designed to operate with less friction and enhance the power transferred to the rear wheel.
There are options available that best suit your needs. Machined aluminum pulleys with our standard bearings, which consist of our standard CeramicSpeed balls housed in hardened steel rings, are the first option. These outperform everything else on the market. Machined titanium pulleys with our standard bearings are the second option. Machined titanium pulleys with our standard CeramicSpeed balls, which are housed in coated hardened steel rings, are the third option.
These pulleys are compatible with all 11-speed Shimano derailleurs.

4. Ceramicspeed OSPW RS Alpha Schalträdchen-System für Shimano R9250 / R8150
The OSPW RS Alpha derailleur system from CeramicSpeed is an innovative solution for road cyclists seeking a powerful and aesthetically pleasing derailleur. This system has been specifically designed for the Shimano R9250 and R8150 groups, combining modern design with advanced technology. The revamped design not only ensures a harmonious integration into current bike trends but also offers a variety of customization options to highlight the personal style of riders. With a focus on a premium riding experience and high functionality, the OSPW RS Alpha is an ideal choice for discerning cyclists who value quality and performance. The combination of durable materials and innovative features, such as the Active Debris Remover (ADR), ensures outstanding shifting performance and a long lifespan for the system.
- Active Debris Remover (ADR) protects the bearing from dirt and enhances durability
- Available with the extremely durable ALPHA Disc for added robustness
- Allows for high customization through various logo and derailleur pulley options
- Developed in collaboration with professional off-road teams for optimal performance under real-world conditions.

Ceramicspeed OSPW RS Alpha Schalträdchen-System für Shimano R9250 / R8150
12-speed
5. Ceramicspeed XX1 Eagle AXS, XO1 Eagle AXS, GX Eagle AXS
The OSPW X for all SRAM Eagle AXS derailleurs features a narrow-wide tooth profile to ensure a secure chain hold. The upper 14-tooth and lower 18-tooth pulleys reduce chain resistance, while the specially designed carbon fiber pulley cage ensures both durability and low weight. The SRAM Eagle-specific OSPW system is developed and constructed in Denmark and comes with a 4-year warranty (standard) and a lifetime warranty (coated).

6. Ceramicspeed 17287

7. Ceramicspeed OSPW RS Alpha Schalträdchen-System für SRAM RED AXS / Force AXS
The OSPW RS Alpha derailleur system from CeramicSpeed is a state-of-the-art solution for cyclists using SRAM RED AXS and Force AXS groups. This system combines innovative design with advanced technology to ensure a top-notch shifting and riding experience. The OSPW RS Alpha is characterized by its seamless integration into modern bike designs and offers a variety of customization options that allow users to express their personal style. The technical innovation of the Active Debris Remover (ADR) protects the bearings from dirt, enhancing durability and performance. Weighing in at 322 grams and featuring a robust aluminum construction, this derailleur system is both lightweight and durable, making it an ideal choice for road and gravel enthusiasts.
- Fully compatible with SRAM RED AXS, not compatible with SRAM Force E1/Rival E1 groups
- Active Debris Remover (ADR) protects bearings from dirt and increases lifespan
- Expanded customization options with various logo and pulley options
- Modern, angular design that seamlessly integrates into contemporary bike designs.

Ceramicspeed OSPW RS Alpha Schalträdchen-System für SRAM RED AXS / Force AXS
12-speed
8. Ceramicspeed RED AXS, Force AXS, Rival AXS
The 12-tooth narrow-wide design offers exceptional shifting performance. The narrow and wide design allows for precise engagement of the chain both on and off the derailleur pulleys. This product has been designed, developed, and handcrafted in Denmark, providing improved chain friction performance and a longer lifespan.

9. Ceramicspeed T47/68 Shimano Black coated**

10. Ceramicspeed 61903
