The Shimano XTR Dual Controll Shifters/Brakes Combo ST-M966-BR-M965 Set F&R is a high-quality brake set designed for cycling enthusiasts. This set includes front and rear brakes, brake pads, calipers, and cables, all made of durable aluminum and steel materials. The disc brakes are hydraulic, providing efficient and reliable stopping power. The set is compatible with Shimano products. NEW OPTISLICK CABLES. Front brake line 640mm. Rear brake line 1030mm.