OSPW RS 5-Spoke for SRAM RED D1 / Force D1 + RED E1

The OSPW RS 5-Spoke oversized pulley system is engineered for riders who demand maximum drivetrain efficiency with a refined, race-ready aesthetic. Designed specifically for SRAM RED D1, Force D1, and RED E1 road drivetrains, it delivers reduced friction, improved chain stability, and consistent shifting under load.

Featuring CeramicSpeed oversized pulleys with a distinctive 5-spoke design, this system minimizes bearing resistance while maintaining precise chain control across the cassette. The rigid cage structure ensures accurate shifting even during high-torque efforts, making it a proven upgrade for performance-focused road builds.

A balanced blend of efficiency, durability, and clean design—built for riders who care as much about how their bike performs as how it looks.

Key Features

• Compatible with SRAM RED D1, Force D1, and RED E1 road drivetrains
• Oversized pulleys reduce drivetrain friction and improve efficiency
• 5-spoke pulley design for stiffness and refined aesthetics
• High-quality precision bearings for smooth, long-term performance
• Stable chain management under high load
• Engineered for consistent, reliable shifting

Ideal For

• High-performance road and race builds
• Riders seeking measurable efficiency gains
• Premium builds where detail and performance matter