Tektro R539 Road Caliper Set Front & Rear Silver 47-57mm QR Weight-126 Adjustable Reach Yes Brake Caliper

Adjustable Reach Yes Brake Caliper Mount Flat Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Black Defined Color Black Double or Triple Double Drivetrain Speeds 12 Front Der/Shifter Compatibility Shimano Road Di2 Hydraulic Fluid Type Mineral Oil Hydraulic Hose Length 1000 Pad Compound Resin Rear Der/Shifter Compatibility Shimano Road Di2 Rotor Included No

}Shimano FC-RX600-10/11 Chainring - 30t 80mm BCD For 2x10 and 2x11 Black

}Shimano 105 5800-S 50t 110mm 11-Speed Chainring For 50/34t Silver

Spring Weight 300

Tektro R539 Road Caliper Set Front & Rear Silver 47-57mm QR Weight-126 Adjustable Reach Yes Brake CaliperTektro R539 Road Caliper Set Front & Rear Silver 47 57mm QR. Dual pivot caliper brake with forged aluminum arms. Recessed nut mount Quick release mechanism with lock device designed for big tires TECH SPECS Brake Lever Actuation Short Pull Color Silver Pad Type Cartridge Brake Position Set Brake Mount Type Mid Reach Caliper (47mm 57mm) Defined Color Silver