CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage

The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.

Defined Color	Silver
Drivetrain Speeds	12
Fits Brand	Shimano
Fits Model	Ultegra 8100 Series
Largest Cog	34
keyword search	OSPWS