CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage Model=MegaExo 19 Bottom Bracket }Vision Team Alloy Clip-On 31

}Vision Team Alloy Clip-On 31

The Shimano ST-EF41 Brake/Shift EZ-Fire levers combine Reach Adjust SIS Index shifting and an OPTICAL GEAR DISPLAY in a durable assembly

Short compact design (just 145mm / 5

}SRAM/Truvativ X0 X9 22T 64mm BCD 3x10 Speed Inner Chainring

CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage Model=MegaExo 19 Bottom Bracket }Vision Team Alloy Clip-On 31CeramicSpeed 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