Shimano Ultegra 12 Speed R8170 Di2 Hydro Disc Custom Groupset

Shimano Ultegra 12 Speed R8170 Di2 Hydro Disc Groupset

Shimano brakes, gears, components and cycling accessories incorporate more than 45 years of cycling vigour built into each design; their experience and expertise make them the popular choice of the professional and amateur cyclist the world over.

Shimano Ultegra 12 Speed R8170 Di2 Hydro Disc Groupset

Choose your specifications from the options below.

** Images for illustration purpose only **

Battery BT-DN300 -

The new DN300 battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12-speed road derailleurs and shifters (if a fully wired option is selected).

With the same size as its predecessor, the slim DN300 battery can be housed inside seat posts or frames ensuring a clean aesthetic. Now with 3 ports, the DN300 simplifies wiring to front and rear derailleurs, supplying stable power at all times. The third port is for riders who seek the redundancy of Shimano's 12-speed Di2 wired option.

Battery Charger EW-EC300 - 

Di2 charger cable

Plugs in directly to RD-R9250 rear derailleur

For 12 speed Di2 road drivetrains

Bottom Bracket - 

-Shimano 105/Ultegra 11sp BB-R60 BB Cups

Italian Thread or English 

-Ultergra Press fit-

Complete 105/Ultegra level press-fit bottom bracket assembly for Shimano HollowTech II road cranks

Cups are made from fibre reinforced polymer material

Set includes left and right hand cups, inner cover, and inner O-rings

Sealed cups keep out dirt and water

Maintenance free

Compatible with 86.5mm shells

41mm cup diameter

Easy press-fit installation

Brakes R8170 Flat Mount Callipers  -

Ultegra hydraulic road disc brake offer an ideal balance of light weight and efficient braking, making it the perfect choice for both enthusiast and competitive riders

Front wheel use for flat mount forks with adapter to flip between 140 and 160 mm

Oversized 22mm ceramic pistons optimized for heat insulation, lightweight and stiffness

Opposed 2-piston design reduces leading effect and optimal pad wear increases braking control

Increased pad to rotor clearance reduces the chance of rotor drag

Direct flat mount and open design allows easy and quick wheel replacement

Forged calliper design is lightweight and rigid

One way internal fluid circuit makes bleeding easy

Mineral oil brake fluid is non-corrosive and less hazardous than conventional hydraulic brake fluid

Shim-less mounting bracket allows for quick installation and setting up

Recommended for use with Ice Tech FREEZA Center Lock SM-MT800 rotors for optimum braking performance

Comes complete with resin compound aluminium radiation fin pad further improves heat dissipation reducing brake surface temperature by 50 deg C

Inline hose routing for low profile design

Separate bleed port and valve screw for improved bleeding process

Cassette R8100 - 

Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation

Faster, smoother shifts under maximum pedaling force

Compatible with new 12-speed and road 11-speed FREEHUB body

Weight: 291g (11-30)

Sizes : 11-30T or 11-34T

Chain - 

KMC X12 or Shimano XT M8100 12 Speed Chain

Front Derailleur Di2 R8150 - 

Our fastest ever front shifting, 45% faster than FD-R9150

Smaller, sleeker, lighter - Frontal area reduced by 33% - Weight cut to 116g

Top gear teeth capacity: 50-54T

Fit: Braze On

Weight: 110g

Gear Levers Di2 R8170 Disc - 

Clean Cockpit: Wireless connection enhances the aerodynamic effect and easy maintenance

Unparalleled ergonomics engineering refined with pros' feedback - Raised hood peak improves ergonomics

Optimized brake control - Lighter, smoother lever action - Enhanced modulation thanks to an expanded braking control area

Compatible with wired and wireless connection

Available to additional satellite shifters

High electronic energy efficiency - 1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries

Weight: 391g

Shimano EW-JC302 2 Port Junction For SD300-

Internal 2-Port Junction for EW-SD300 wires

Rear Derailleur Di2 R8150 - 

Our fastest ever rear shifting, 58% faster than RD-R9150

Compact design includes an integrated wireless unit, charger, and switch

LED status indicator - Battery indicator - Pairing - Adjust mode, etc.

Wider range capacity - Max. low sprocket: 34T

Weight: 262g

Chainset R8100 - 

Optimal balance of stiffness, strength, weight and rotational performance

HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting

52-36T and 50-34T chainring options.

165, 170, 172.5, and 175 mm crank arm lengths.

Weight: 700g

*** Rotors are avaible to buy seperately on on our website  ***