REAR DERAILLEUR, RD-RX825, GRX, 12-SPEED, TOP NORMAL, SHADOW PLUS DESIGN, DIRECT ATTACHMENT(DIRECT MOUNT COMPATIBLE)

REAR DERAILLEUR Di2, RD-RX825,GRX, 12-SPEED, SHADOW PLUS Cage Length N/A Total Capacity 40T Max Front Difference 17 Color SERIES COLOR Average Weight 310g Mount Direct attachment (conventional)/Direct mount compatible Guide Pulley Bearing X Tension Pulley Bearing X Number Of Pulley Teeth 11/13T Series GRX Generation RX825 Max Low Sprocket 36 Min Low Sprocket 34 Rear Speeds 12 Top Normal Spring Type Shimano Shadow RD+