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CeramicSpeed ​​OSPW RS ALPHA derailleur arm, Shimano 7150, TEAM Logo, black

549  - 579 
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With the OSPW RS for Shimano 105 7150 series groupsets, we are taking OSPW into the future with a distinctly modern and angular design. The updated design brings balance and refinement to the OSPW system, allowing it to seamlessly fit into current design trends for bikes and kits that form a whole that includes the OSPW system. With an added level of customization (multiple logo and pulley wheel options) combined with new innovative technical features, the OSPW RS meets consumer demands for personal expression and a premium riding experience. OSPW RS is an expression of where we have been and where we are going – always at the forefront. TRANSFER TIME Active Debris Remover (ADR) ADR is a patented technical feature that is based on a unique combination that makes it virtually impossible for dirt to penetrate the bearing. It consists of a new design of dust cover that is securely anchored in a groove in the pulley wheel, completely surrounding the bearing. This is paired with a vane groove structure that surrounds the dust cover, which dynamically removes debris from the pulley wheel as it rotates. ADR was developed in a constant pendulum between our R&D department, the CeramicSpeed ​​test lab, and field testing conducted by a select group of our professional field teams. ALPHA Disc For our new OSPW RS, we offer versions equipped with the extremely durable ALPHA disc, which was first introduced with our OSPW X for Eagle transmission. The ALPHA Disc has a two-piece construction. A separate narrow tooth profile made of composite material that offers long-term wear protection and noise reduction. As well as a solid aluminum disc that eliminates the potential for foreign objects to become trapped between the spokes of the pulley wheel, while adding strength and rigidity to the pulley wheel design. The first versions of our fixed disc wheel design were field tested during the Cyclocross World Cups a few years ago. During the 2022 cyclocross season, our sponsored Tormans team made extensive use of the hard disc design and provided valuable feedback on its ability to provide mud clearance in the worst conditions. New design: better quality and strength The new design of the OSPW RS is not just a visual update. The cage itself has been reinforced to offer a new level of strength and durability. Included: Complete OSPW RS ALPHA for Shimano 7150 system

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Groupset Other
product ID 332757
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CeramicSpeed is a Danish brand that specializes in high-performance ceramic bearings and drive components for various industries including cycling, automotive and industrial applications. The brand is known for its innovative and cutting-edge technology, offering products that aim to improve the efficiency, durability, and overall performance of mechanical systems. CeramicSpeed was founded in 2004 by Jacob Csizmadia, a mechanical engineer with a passion for cycling. Frustrated by the limited options for high-quality bearings in the cycling industry, Csizmadia decided to develop a superior solution. He began experimenting with ceramic materials, which are known for their low friction and high wear resistance. After years of research and development, CeramicSpeed was born.
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