Clarks Disc Brake Pads Organic VX811 Shimano Deore Clarks and Tektro. Serial Letter 'L' uses a VX/VRX852, Serial letter 'O' uses a VX/VRX811 pad. Organic cycle disc brake pads. 1 Pair of pads. BR-M515, BR-MT410, BR-M506, BR-M505, BR-M200, BR-M201 BR-C501, BR-M575, BR-M525, BR-M495, BR-M486, BR-M485, BR-M475, BR-M465, BR-M447, BR-M446, BR-M445, BR-M416, BR-M416A, BR-M415, BR-M4050, BR-M3050, BR-M395, BR-M375, BR-M365, BR-M355, BR-M315, BR-T675, BR-T615, BR-TX805, BR-MT500, BR-MT400, BR-MT20, BR-UR300, BR-C601, BR-M515, BR-M515LA.