SRAM X7 10 Speed Rear Derailleur user reviews : 2 out of 5 - 4 reviews - mtbr.com
SRAM X7 10 TEN SPEED REAR DERAILLEUR SHORT CAGE EXACT ACTUATION 33% OF
SRAM GX Type 2 and 2.1 Rear Derailleur 10 Speed Pulley Kit, fits X9 an – 365 Cycles
Found: Internal hack to convert SRAM MTB 10 speed to 11, without replacing shifter or rear derailleur - Bikerumor
Sram X7 3×10 Speed Front Derailleur High Clamp Bicycle Derailleur For Mtb Mountain Bike Components Partes De Bicicleta - Bicycle Derailleur - AliExpress