Shimano SM-BH59-SB Disc Brake Hose Eventually, your hydraulic fluid will begin to wear out and will need to be replaced. Along with replacing your fluid, you should also consider replacing your hydraulic hose to keep your brakes working properly. The Shimano SM-BH59-SB Disc Brake Hose is a replacement hose for Shimano Hydraulic disc brakes. It is compatible with the BR-R785 brakes. Need Shimano Mineral Oil? Shop for it here:SHIMANO MINERAL OIL (50ml)Features Includes brake hose and fittings for one brake Compatible Brakes: BR-RS785Hose Length: 1700mm Manufacturer Item Number: ISMBH59SBL100 | Shimano | Sm-Bh59-Sb Disc Brake Hose | Black | 1700Mm