Description

CeramicSpeed OSPW RS 5-Spoke – Shimano Dura-Ace 9250 / Ultegra 8150

The Evolution of Energy Savings and Precision

The CeramicSpeed OSPW RS system is more than just an aesthetic upgrade; it is an engineering revolution for your Shimano 12-speed drivetrain. The RS series introduces a modern, angular design that integrates perfectly with the lines of contemporary electronic groupsets, offering unprecedented structural rigidity and lightning-fast shifting.

The 5-Spoke variant combines an aggressive racing aesthetic with CeramicSpeed's world-renowned ceramic bearing technology—hand-built in Denmark—drastically reducing friction and increasing the lifespan of your drivetrain.

🚀 Key Features and Innovations

• RS (Racing Series) Design: A completely redesigned cage built for maximum stiffness and durability. The aerodynamic, reinforced shape minimizes flex during high-torque shifting.

• Handmade CeramicSpeed Bearings: Grade 3 Silicon Nitride balls paired with hardened steel races for measurable watt savings and unbeatable smoothness.

• Alpha Disc Pulleys: Featuring a composite structure that prevents debris and mud from entering the mechanism, reducing noise and maintaining consistent efficiency over time.

• ADR (Active Debris Remover): An innovative dust cover design integrated into the pulley that actively expels dirt, protecting the bearing even in the most challenging riding conditions.

Technical Specifications

💡 Why install the OSPW RS system?

Beyond the energy savings (which can reach up to 2-3 Watts compared to a standard system), the OSPW RS improves chain tension and reduces the chain link articulation angle. This results in a quieter drivetrain and a superior feeling of fluidity with every pedal stroke, especially when cross-chaining.

🛡️ Why shop at CicloBottega?

We are an official CeramicSpeed dealer. Every OSPW RS kit is delivered in its original packaging with an international warranty that can be activated online.

• Technical Support: Our team is available for advice on installation and proper maintenance.

• Secure Shipping: Careful packaging and fast delivery via express courier.

Take your bike to the next level. Buy the CeramicSpeed OSPW RS now on CicloBottega!