This upgrade kit comes with one set of disc brakes for the front and one for the rear. Front: Brake lever BL-M9200-L & brake caliper BR-M9200 (with brake line, pre-assembled) Rear: Brake lever BL-M9200-R & brake caliper BR-M9200 (with brake line, pre-assembled) Grip distance adjustment with tool is possible. Includes 2 pairs of K04Ti metal pads without backing plate titanium (in the brake caliper) and 2 pairs of K05TIRX resin pads without backing plate titanium (included).