TRP Spyre Mechanical disc brake for road bikes No rotor Flat Mount 154g : Sports & Outdoors - Amazon.com
TRP Spyre C Flat Mount Mechanical Dual Side Actuation Road Disc Brake Caliper SPYRE C Front Rear 160mm calipers w/ or w/o Rotor|Bicycle Brake| - AliExpress
TRP Spyre Flat Mount Disc Brake Caliper | Merlin Cycles