CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage ModelNumber=25336 }SRAM X-Sync 2 Eagle Direct

}SRAM X-Sync 2 Eagle Direct Mount Chainring 32T 6mm Offset

The heart of this wheel is a 180 Straight Pull hub with smooth-running SINC Ceramic bearings and the newest Ratchet EXP freehub system

}Schwalbe One Tire - 20 x 1

The Post-Lock is a rear-mounted rack attachment that can be positioned directly on a seat post to provide a secure mounting point

bearings: 22mm 24mm 29mm 30mm

CeramicSpeed OSPW Pulley Wheel System Shimano Dura-Ace 9250/Ultegra 8150 - Coated Races 3D Printed Ti Pulley Carbon Cage ModelNumber=25336 }SRAM X-Sync 2 Eagle DirectCeramicSpeed 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