Road Bike Carbon Fiber Ceramic Rear Derailleur 13T-17T Pulley Guide Wheel
SD1: for Shimano R6700/6770/6800/6870/9000/9070
SD2: for SRAM RED 10S /RED 11S/RIVAL 10S/RIVAL 11S
FORCE 10S/ FORCE 11S
SD3: for Shimano R7000
SD4: for Shimano R4600/4700/5700/5800
SD5: for R8000/8050/8070/9170/9150/9100
Features:
-Lightweight: Carbon fiber rear derailleur Pulleys is ultra-light, weighing only 83g/0.18lb
-Reduce friction: save 60% of friction resistance than 11T
-Smooth: The ceramic bearing is smooth, which can save more than 2.4 watts
-Durable: full carbon fiber frame + ceramic bearing + 7075 aluminum guide wheel (CNC)
