CeramicSpeed OSPW for Shimano 9100/9150 and 8000 SS/8050 SS

This is an updated version of the Oversized Pulley Wheel System for Shimano 9100/9150 and 8000 SS/8050 SS . This new design has an integrated stop tower for easier mounting.

The CeramicSpeed Oversized Pulley Wheels System has been proven to be the fastest pulley system in the world, providing energy savings starting from 2.4 watts over standard Shimano systems. The OSPW system for Shimano 9100/9150 and 8000 SS/8050 SS is an industry leading product, chosen by many of the world's leading cycling teams and professional triathletes.

Featuring a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimisation of the rear derailleur. The upper and lower oversized aluminium pulley wheels come fitted with either standard or coated CeramicSpeed Bearings.

Features:

• Features 13-tooth upper and 19-tooth lower, aluminum pulley wheels with Grade 3 Silicon Nitride balls
• Robust cage crafted from polyamide and carbon fiber for durability and light weight
• Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion

Specifications:

• Material: Aluminum
• Drive: 11-speed
• Net weight: 77 g
• Gross Weight: 260 g

Compatibility:

• Dura Ace 9100 Mechanical
• Dura Ace 9150 Di2
• Ultegra 8000 SS Mechanical
• Ultegra 8050 SS Di2
• Largest Cog: 32 t

Included:

• Complete OSPW for Shimano 9100/9150 and 8000 SS/8050 SS system
• CeramicSpeed Oil for Pulley Wheel Bearings, 15 ml dropper bottle

Note: The OSPW System for 9100/9150 and 8000 SS/8050 SS is not compatible with Ultegra 8000-GS or 8050-GS (medium cage) derailleurs, nor with the clutch equipped Ultegra RD RX800 & RX805.

Maintenance Guide