Shimano Dura-Ace R9180 Hydraulic Disc Di2 Left Rear TT Lever & Caliper

Features

• A set that includes a left hand TT Di2 lever and a rear hydraulic disc brake caliper
• Lightweight carbon brake lever and carbon composite bracket body
• Di2 technology makes gear shifting easy and precise at the simple touch of a button
• Can be used in Synchronised Shift mode with one button press operating both the front and rear derailleurs
• Shifting can be fully customised via the E-Tube app
• Communication to the derailleurs via electronic wires (available separately) provides reliable gear operation
• One shift button is positioned on either side of the bracket body
• Pad to rotor clearance auto-adjust by the hydraulic tank maintains braking performance during pad wear
• Reach adjusters on the lever blade enables custom fitment for all hand sizes
• Forged MONO-BODY one-piece caliper design is lightweight and rigid
• The flat mount caliper is designed for rear wheel use and comes with an adapter to flip between 140 and 160mm rotors
• Oversized 22mm ceramic pistons optimised for heat insulation, low weight and stiffness
• A 10% increase in pad clearance reduces the chance of rotor drag
• Resin compound aluminium radiation fin pads improve heat dissipation
• Separate bleed port and valve screw for improved bleeding process
• Manufacturer claimed lever weight: 99 grams
• Manufacturer claimed caliper weight: 110 grams