CeramicSpeed OSPW Aero Shimano DA9100/ULT8000 coated noir

The Oversized Pulley Wheel System for Shimano Dura Ace 9100/9150 and 8000 SS/8050 SS

The world's fastest pulley wheel system just got faster...
Our winning mentality and innovative DNA make us constantly strive to further develop and perfect our products. It's this relentless approach that has seen the new CeramicSpeed OSPW Aero come to fruition.



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.

Please note: while there is design similarities this OSPW is not compatible with the 12-speed Shimano 9200 or 8100 series derailleurs.
Please 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.

Technical data

• Cage Material: Carbon reinforced PA
• Pulley Material: Aluminum
• Pulley Size: 13/19
• Bearing options CeramicSpeed: Coated bearings
• CeramicSpeed Grease/Oil Pulley Oil (standard)
• Compatibility: Shimano Dura Ace 9100, 9150, Ultegra 8000 SS, 8050 SS
• Spring Tension Settings: 4 settings
• Speed: 11 speed
• Discipline: Road