Clarks' CRS brakes bring premium features to a reasonable price point - BikeRadar
Clarks M4 Hydraulic Brake Set - UK Configuration : Amazon.co.uk: Sports & Outdoors
M4 4 Piston Hydraulic Disc Brake Set – Mud and Black
Eurobike 2019: Clarks M4 4 Pot brakes just £70 a pair!
Amazon.com: MEROCA M4 Four Piston Mountain Bike Hydraulic Disc Brakes,Left Front 800mm Right Rear 1400mm Hydraulic Brake Pair With is/PM Adapter For 160mm Rotor. : Sports & Outdoors
Clarks M2 Hydraulic Disc Brake Set - Review - YouTube