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The Shimano RS685 Dual Control Hydraulic Disc Brake Kit includes Shimano RS685 Hydraulic Shifters/Levers, Shimano BR-RS785 Hydraulic Disc Calipers, hoses and mineral oil. The RS785 Disc Calipers features a two-piston design with mountain bike stopping power that is tuned for road use. Heat reduction in the caliper is further enhanced with ICE Technologies finned disc brake pads that reduce heat by 50 degrees. Shimano's proven mechanical shifting and ICE Technologies hydraulic disc brake heat management systems enable the new Ultegra grade R685 series mechanical shifting/hydraulic disc brake system to provide powerful, dependable disc braking performance that is functional for a variety of cycling uses and conditions. Kit includes hoses and mineral oil and is not pre-bled. Rotors sold separately.
Weight: 885 g./pair (shifters/calipers)
Hint for breaking-in: New disc brake pads require a certain break-in period in order to provide the full brake power. The following procedure has proved oneself: drag braking on a downhill until the brake power noticeably increases. Then let the brake rotor cool out. Afterwards do 20 full stops braking from a medium speed. Attention: the rotors get very hot, do not touch them!