ZOOM Double Piston Mechanical Disc Brake Caliper MTB Front Rear 160mm Bike Rotor

Front brake (F160-R140)= If you install this brake on front wheel, it suit for 160mm disc rotor, if you install this brake on your rear wheel, it suit for 140mm disc rotor. Rear brake (F180-R160)=If you install this brake on Front wheel, it suit for 180mm disc rotor.

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