CeramicSpeed OSPW Pulley Wheel System Shimano 9100/9150 8000 SS/8050 SS - Coated Races Alloy Pulley Carbon Cage BLK Weight-153 They feature the same chain

They feature the same chain management technology for SRAM 1x drivetrains designed for Bosch motors

}RockShox Maxle Ultimate Rear Thru Axle: 12x148 180mm Length Boost Compatible

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Color Gold Rise 20 Material Aluminum Upsweep 5 Defined Color Gold Back Sweep (deg) 7 Weight 270 Bar Clamp Diameter (mm) 31

CeramicSpeed OSPW Pulley Wheel System Shimano 9100/9150 8000 SS/8050 SS - Coated Races Alloy Pulley Carbon Cage BLK Weight-153 They feature the same chainCeramicSpeed OSPW Pulley Wheel System for Shimano 9100 9150 and 8000 SS 8050 SS Coated Races Alloy Pulley Carbon Cage Black. 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 Drivetrain Speeds 11 Fits Brand Shimano Fits Model Ultegra R8000 SS Fits Model Ultegra R8050 SS GS Fits Model