●US model :Originally by Zoom ( Hlcorp) as Left for Front, Right for Rear, please measure your existing brake hose for appropriate rear length; ●Brake Hose Length Front 800mm Rear 1400mm ,Material 3D Forged 6061 aluminum alloy ●Standard disc brakes for mountain bike, fat bike, some electric e-bike, BMX, ●You got a completed front & rear brake set including 2 mounting brackets, Floating Disc Rotor & Color Rotor Bolts which is added value OVER 30 Dollars