SRAM 2010 and later X9 and X7 9- and 10 speed Pulley Kit | Part # | Worldwide Cyclery
Found: Internal hack to convert SRAM MTB 10 speed to 11, without replacing shifter or rear derailleur - Bikerumor
VINTAGE SRAM X7 IMPULSE TECHNOLOGY 2 X 10 SPEED BICYCLE TRIGGER SHIFTER SET | eBay
Sram X7 3×10 Speed Front Derailleur High Clamp Bicycle Derailleur For Mtb Mountain Bike Components Partes De Bicicleta - Bicycle Derailleur - AliExpress