CeramicSpeed OSPW RS Shimano 7150

Description:

Upgrade your Shimano 105 Di2 R7150 derailleur with the CeramicSpeed OSPW RS, a high-performance Oversized Pulley Wheel System designed to maximize drivetrain efficiency and reduce aerodynamic drag. Precision-engineered with CeramicSpeed’s signature bearings and a sleek RS cage design, this system delivers smoother shifting, less friction, and enhanced durability—making it the perfect upgrade for performance-focused riders.

Crafted from lightweight carbon-reinforced materials and wind-tunnel tested for real-world speed gains, the OSPW RS brings elite-level performance to Shimano’s 105 Di2 platform.

Key Features:

RS Aerodynamic Cage Design: Designed to reduce drag and improve airflow around the drivetrain for enhanced speed.

Oversized Pulley Wheels: 13-tooth upper and 19-tooth lower pulleys for optimized chain engagement and reduced resistance.

CeramicSpeed Bearings: Hand-built ceramic bearings ensure ultra-low friction and long-lasting performance.

Carbon-Reinforced Polyamide Construction: Lightweight yet robust materials provide excellent stiffness and strength.

Shimano 105 Di2 Compatibility: Specifically designed for use with Shimano 105 Di2 R7150 12-speed rear derailleurs.

Efficiency Gains: Reduces drivetrain wear and increases power transfer, giving you more watts where it counts.