YAD Shimano BR-BL-M315 Hydraulic Disc Brake Set Front 750mm & Rear 1300mm for Mountain Bike Left to front, right to rear, north American standard Rear hose length: 1300mm; Front house length: 750mm Brake hose: SM-BH59, only use the mineral oil Recommended use: mountain bike, mounted nicely with 160mm rotors NOTE: Before installing please do not remove the red gasket to prevent oil leak due to knead brake handle