Muc-Off's updated L.O.P.S. 2.0 oversized pulley cage is angle optimized and ultralight, and formerly only available to the pros.
MUC-OFF'S OVERSIZED DERAILLEUR PULLEY - Road Bike Action
L-twoo Carbon Fiber 11-speed Rear Derailleur Pulley For Shimano Ultegra R8000
Latest - Page 77 of 1126 - Bikerumor
Kogel Kolossos Derailleur Pulley Wheel Oversized Bearing 82g for R9100 R8000 11s & Sram Red Force eTap AXS 12 speed - AliExpress
Pulley Wheels - Shimano
Muc-Off L.O.P.S. 2.0 oversized derailleur pulleys debut, Shimano 11-speed only - Bikerumor
Latest - Page 193 of 1120 - Bikerumor
OneUp RAD Cage Hacks Shimano Rear Derailleurs to Better Fit Oversized Cogs - Bikerumor
MUC-OFF'S OVERSIZED DERAILLEUR PULLEY - Road Bike Action
L-twoo Carbon Fiber 11-speed Rear Derailleur Pulley For Shimano Ultegra R8000