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  • Mastermind Bicycle Studio is proud to be the Exclusive Distributor of India for CeramicSpeed. Handmade in Denmark, the components of CeramicSpeed are unmatched in their performance and durability.
  • CeramicSpeed is more than just bearings. The Ceramic company was founded on innovation and a desire to change the world of competitive cycling. We’ve grown rapidly over the years, distributing to over 50 countries, with an ever-expanding team of unique individuals in offices across Europe, Asia, and America.
  • CeramicSpeed is trying to be at the forefront of innovation, continuously bringing new and improved products to market, setting new standards, and pushing the boundaries of cycling technology.
  • CeramicSpeed is giving best to develop their products that will change the game. Today CeramicSpeed Bearings are not only used by professionals but also by amateurs and recreational cyclists who want the very best equipment. Their focus on quality, improvements, and performance hasn't changed. Today CeramicSpeed is the official sponsor for some of the world's best cycling teams and individual athletes.

Ceramicspeed OSPW Aero Shimano 9250/8150 Black Coated


About Ceramicspeed OSPW Aero Shimano 9250/8150 Black Coated

  • The world’s fastest Pulley Wheel system just got faster. OSPW Aero features a lifetime warranty and is wind-tunnel tested to have 40% less friction compared to a stock derailleur, making it perfect for time trials or triathlons.
  • The OSPW Aero is an industry-leading product co-developed with one of the world’s leading aerodynamicists; Simon Smart and is chosen by World Champions and top athletes around the world. This OSPW system has handbuilt CeramicSpeed Bearings installed and its unique design and craftsmanship will captivate you from the first time you use it.
  • The system features a 13-tooth upper Pulley Wheel and a 19-tooth lower Pulley Wheel to provide absolute optimisation of the rear derailleur and the upper and lower oversized aluminum Pulley Wheels come fitted with coated CeramicSpeed Bearings that have been perfected through years of experience.
  • The OSPW Aero for Shimano Dura Ace 9200 and Ultegra 8100 has an integrated stop tower for simple installation and durability.



 Cage Material

 Carbon reinforced PA

 Pulley Material


 Pulley Size

 13/19 for Shimano

 Bearing options CeramicSpeed

 Coated bearings

 CeramicSpeed Grease/Oil

 Pulley Oil (standard)


 Shimano Dura Ace 9250, Ultegra 8150

 Spring Tension Settings

 4 settings

 Max Cassette Size

 34 tooth


 12 speed



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