Ceramicspeed derailleur pulley OSPW RS Alpha for SRAM RED D1/E1 + Force E1 V3 black 117435

CeramicSpeed OSPW RS ALPHA SRAM RED D1/E1 + Force E1 V3 Rear Derailleur Cage System

The CeramicSpeed OSPW RS ALPHA SRAM Red/Force AXS V3 Black is a premium oversized pulley wheel (OSPW) system designed for SRAM RED AXS and Force AXS rear derailleurs. It is engineered to reduce drivetrain friction, improve efficiency, and deliver long-lasting performance in all riding conditions.

The updated V3 version features an optimized cage interface that allows faster, easier, and more consistent installation while maintaining the proven efficiency and durability of the OSPW RS platform.

Key Features

• Compatible with SRAM RED AXS and Force AXS derailleurs
• Oversized pulley wheels: 15T upper / 19T lower
• Hand-built low-friction bearings
• Reduced drivetrain resistance and improved efficiency
• Reliable performance in all weather conditions
• Updated V3 cage design for easier installation
• Premium RS ALPHA black finish

Technology

ADR – Active Debris Remover

• Advanced sealing system to prevent contamination
• Fully enclosed bearing design
• Dynamically removes dirt during rotation
• Developed and tested with pro teams and lab testing

ALPHA Disc pulley wheels

• Two-piece construction
• Narrow-wide composite tooth profile for durability and low noise
• Solid aluminum disc for stiffness and protection
• Prevents debris from getting stuck in the pulley
• Tested in extreme cyclocross conditions

Technical Specifications

In practice

The OSPW RS ALPHA system is designed for riders seeking maximum drivetrain efficiency and minimal friction. The combination of oversized pulleys, high-precision bearings, and ADR + ALPHA Disc technology ensures smoother running, improved durability, and consistent high performance over long distances.