OSPW X Pulley Wheel System for Shimano GRX RX820 2x12 - Aluminum Pulley, Carbon Cage

X5 Long Cage Rear Derailleur 9-Speed

XTR M9100 1 x 11/12-Speed Rear Derailleur

Oversized Pulley Wheel System for Shimano Dura Ace 9200/Ultegra 8100 - Alloy Pulley - Carbon Cage

Apex XPLR AXS Rear Derailleur 12-Speed 44t Max (Battery Not Included)

X01 Eagle AXS Rear Derailleur - 12-Speed, 52t Max, Black/Red

SX Eagle Rear Derailleur - 12-Speed Long Cage Aluminum Black A1

XT RD-M8100-SGS Rear Derailleur - 12-Speed, Long Cage, Black, For 1x

Pulley Wheels for Shimano XT/XTR 12-Speed - 14 Tooth - Coated Races - Alloy - Black

Pulley Wheels for SRAM Eagle/AXS 1 x 12 Speed - 14 Tooth - Coated Races - Alloy - Black

Super Record Wireless Front Derailleur - 12-Speed Braze-On Carbon

RED AXS Front Derailleur - 2x12-Speed, Braze-on, (Battery Not Included), E1

Dura-Ace FD-R9250 Di2 Front Derailleur - 2x12-Speed, Braze-on, Down Swing, 50-55t Max

Pulley Wheels for SRAM AXS Road 12-Speed - 12 Tooth - Coated Races - Alloy - Black

Dura-Ace FD-R9150 Di2 11-Speed Braze-On Front Derailleur

GRX RD-RX825 Di2 Rear Derailleur - 12-Speed, Long Cage, With Clutch, For 2x

Ultegra RD-R8150F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300

GX Eagle T-Type AXS Rear Derailleur - 12-Speed 52t Max Wheel Axle Mount Steel

Spare Oversized Alloy Pulley Wheels

Pulley Wheels for Shimano XT/XTR 12-Speed - 14 Tooth - Alloy - Black

STEPS RD-M8150-11 Deore XT Rear Derailleur - SGS 11-Speed Top Normal Shadow Plus Direct Attachment

STEPS RD-M8150-12 Deore XT Rear Derailleur - SGS 12-Speed Top Normal Shadow Plus Direct Attachment

Pulley Wheels for SRAM AXS Road 12-Speed - 12 Tooth - Alloy - Black

GX Eagle Rear Derailleur - 12-Speed Long Cage 52t Max Lunar