This Hanger (FCT-TH1) For Bike: Factor Disc Brake Version
Factor Disc brake (RD-H4/H6) Ostro Vam/Gravel, O2/O2 Vam, LS,Hanzo, Vista,

• The perfect combination of AdvCNC and 7075 aluminum alloy brings you premium bicycle upgrade parts with high strength, high precision, and light weight, making it more convenient to remove the rear wheel or turbo trainer, also improve the shifting efficiency.
• 13 grams
• Derailleur Compatibility: Shimano DURAACE R9200 R9100/ ULTEGRA R8100 R8000/105 R7100 R7000/ GRX RX810 RX400. including 11 speed and 12 speed, mechanical and Di2 electronic ( Shimano ONLY).