Clarks M2 Hydraulic Disc Brake Rear Standard Post Mount 160mm Mineral Oil 5021646028857 | eBay
Clarks S2 disc brakes - BikeRadar
Clarks M3 Hydraulic Disc Brake Set, 180mm Front And 160mm Rear, Pm And Is Compatible :: £119.99 :: Components :: Brakes - Disc :: On Yer Bike (Mansfield)
Amazon.com : Clarks Clout-1 Hydraulic Disc Brake Pair Post/is Mount 180/160mm Mineral Oil : Sports & Outdoors