Low Friction Ceramic Pulley Unit Lightweight Road Bike Derailleur Unit Fluid Shifting Rear Derailleur Guide Plate Long-Lasting for Racing Cyclists

Product Identity: This bike part is a rear derailleur unit designed for road riders who want a lighter, cleaner setup on compatible bicycle component brand drivetrains. Fluid Performance: The ceramic pulley unit helps reduce rolling resistance, supporting smoother shifting and a more responsive feel when you change gears. Long-Lasting Build: Built as a road bike derailleur unit with a 7075 aluminum frame and aluminum alloy guide wheel, it balances strength with low weight for hard training and racing. Weight Benefit: At about 82 g net weight, this rear derailleur guide plate helps trim drivetrain weight without adding bulk, making it a smart upgrade for performance-focused cyclists. Compatibility Use: Made for 8700RD, 8800RD, and R8000 setups, it is intended to fit the matching rear derailleur unit design and help maintain reliable rear shifting on the road.