10 Speed Medium Sram Red Aero Glide Rear Derailleur Short Cage;

MODEL:RED AEROGLIDE. MOUNTS(THREADS INTO) TO THE FRAME. FOR ROAD BICYCLES. MATERIAL:CARBON CAGES-CARBON INNER LINKS-AERO DESIGNED TITANIUM HARDWARE. EXACT 1:1 ACTUATION SHIFTING PROVIDES FAST,ACCURATE SHIFTS. MORE CLEARANCE WITH 28T CASSETTES THANKS TO LONGER B-KNUCKLE. NEW SILENT SHIFTING WITH OPTIMIZED AEROGLIDE LOWER PULLEY,CERAMIC BEARINGS. NEW SPRING-FIXED BARREL ADJUSTER. NEW CHAIN PULLEY CAGE ADDS PRECISE CHAIN MANAGEMENT. TITANIUM PINCH BOLT KEEPS A LOW PROFILE WHILE MINIMIZING WEIGHT. COMPATIABLE WITH SRAM SHIFTERS. 10 SPEED COMPATIABLE. WEIGHT:145 GRAMS