Super Record 12s Front Derailleur, 12-Speed, Braze-on, Carbon

HOLLOWcage Oversized Derailleur Pulley Cage - Dura-Ace 9250 , Full Ceramic Bearings, Carbon Cage

SRAM Eagle Pulley Wheels

CeramicSpeed Pulley Wheels for Shimano 11-Speed - 12 Tooth Narrow Wide - Alloy - Black

Force AXS Rear Derailleur - 12-Speed, 36t Max E1

Force AXS eTap Rear Derailleur - 12-Speed, Medium Cage, 36t Max D2

Chorus Rear Derailleur - 12-Speed

GRX RD-RX815 Rear Derailleur - 11-Speed, Long Cage, With Clutch, Di2, For 1x and 2x

Rival eTap AXS Rear Derailleur - 12-Speed, Medium Cage, D1

Record Rear Derailleur, Medium Cage, Carbon

Force AXS Wide eTap Front Derailleur - 2x12-Speed, Braze-On D2

Record 12s Front Derailleur, 12-Speed, Braze-on, Carbon

Eagle T-Type AXS Rear Derailleur Alloy Cage Kit - Compatible with all Eagle T-Type Rear Derailleurs

OSPW X Pulley Wheel System for Shimano XT/XTR 1x12 - Coated Races Alloy Pulley Carbon Cage

Force AXS eTap Front Derailleur - 2x12-Speed, Braze-On, D2

Dura-Ace 11-Speed Short Cage Rear Derailleur R9100

Chorus Front Derailleur - 12-Speed, Braze-On

One Prime 9 X-Wide Rear Derailleur - 9-Speed Long Cage Black

EX1 1x8 Speed Long Cage Rear Derailleur

Deore RD-M5130 Rear Derailleur - 10-Speed, Medium Cage

Red eTap AXS Rear Derailleur Pulley Kit - 12 Speed, Ceramic

GX Eagle T-Type AXS Rear Derailleur Cage Assembly Kit - Full Replacement Cage Assembly

XTR M9100-E E2 Direct Mount 2x12 Front Side-Swing Derailleur

Ultegra RD-RX800-GS 11-Speed Medium Cage Rear Derailleur with