CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage MFPN=AL-SS-BLU-COG22 Stem Angle (deg) 0 S

Stem Angle (deg) 0 S

The simplest way to explain the way these rings feel is having 2 teeth less in the weak part of your pedal stroke and 2 teeth more where you have the most power

Requires the on/off button to be depressed for 1

Length 137 Color Yellow Flange No Lock On Yes Weight 108 Grip Shift Specific No Defined Color Yellow Shape Round

CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage MFPN=AL-SS-BLU-COG22 Stem Angle (deg) 0 SCeramicSpeed OSPW Pulley Wheel System for 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. TECH SPECS Defined Color Black Defined Color Silver Drivetrain Speeds 12 Fits Brand Shimano Fits Model Dura Ace R9200 Series Fits Model Ultegra