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R7100 SERIES

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POWERED BY:

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12-SPEED. WIRELESS. TAILORED GEARING.

SHIMANO
105
Di2 IS
HERE

IT'S
A NEW
DAY

Shimano 105 Di2 is an ode to the magic that each new day brings.


It shifts our perspective. And inspires us to see the world around us in a whole new light. As if through rose-tinted glasses. And as if for the first time – in all its glorious technicolor.


Shimano 105 Di2 energizes us.


It awakens our senses. It sparks our curiosity. And urges us to contemplate the hidden beauty that’s all around us. It dares us to grab our bike and find out what lies ahead.


Each new day brings fresh promise. Fresh ways of thinking. Fresh ways of seeing. Fresh ways of being.
 

Each new day brings a burst of life.

FC-R7100

THE RIDE
YOU
DESERVE

The new 105 brings Shimano DI2 shifting to a new set of riders.

 

For riders who have only experienced mechanical shifting and ergonomics, Shimano 105 represents a transformation of the road cycling experience. With its tailored gearing, sleek interface, and wireless shifting, Shimano 105 gives you the ride you deserve.

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WHY
Di2?

In the past, Shimano Di2 was aimed at premium bikes and performance-oriented riders. Now, the technology comes to an all-new price point with Shimano 105.

Why 105 Di2? 

The role of 105 is to always provide the highest level of performance at an appropriate price. It inherits technology from Dura-Ace and Ultegra and transfers it into a more affordable platform.


Shimano 105 Di2 brings easier operation, increased reliability, and less maintenance to a new consumer.
The new generation of Shimano 105 provides the best DI2 value ever offered in the Shimano road range.

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THE
SCIENCE
OF SPEED

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With function and technologies inherited from Dura-Ace and Ultegra, Shimano 105 is the culmination of years of research and development. With a shared DI2 platform, sophisticated ergonomics, 105-optimized gear combinations, an exceptional brake system, and a new carbon wheel, the new Shimano 105 marks a new era of affordable performance.

105 GOES
WIRELESS

Shimano's new 105 system shares its DI2 wireless platform with Dura-Ace and Ultegra.

 

The wired connection between the Battery and Derailleurs will ensure absolute reliability by maintaining stable voltage and shifting performance.

A central battery system supplies stable power to derailleurs.

 

This contributes to our faster shifting system.

 

A central, internal battery simplifies charging, protects the battery from the elements, and ensures consistent wireless communication.

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BT-DN300

EW-SD300

FD-R7150

RD-R7150

ST-R7170

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STRESS
FREE
SHIFTING

WORRY-FREE WIRELESS DI2 SHIFTING IN A COMPACT SIZE

Never skip a shift as you fatigue, or encounter an unexpected climb. Worry-free wireless Di2 shifting, and its compact size, keeps you in control in any situation.

 

The difference is made over the course of the ride, saving you energy with every gear change, allowing you to focus on the scenery, your effort, and your friends. The all new lever shape brings comfort and control in every rider position.
 

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PINK - ST-R8020 (Current Mech / Hydro) 

VS

BLUE - ST-R7170 (NEW Di2 / Hydro)

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ST-R7170

DIVERSE
DRIVETRAIN

Helping You Meet the Road with Sub 1:1 12-Speed Gearing

Here is the low gear you've always wanted. Shimano 105's sub 1:1 ratio 12-speed range is a tool that lets riders take on steeper slopes and better control their effort along the way.

Our new 12-speed cassette is the same width as our 11-speed cassette. 
As the cogs are closer together this brings faster, smoother shifts you’ll barely notice! Whether climbing, descending, or rolling on the flats, you’ll keep your rhythm and stay in the flow. 

The smallest cog of the 12-speed 11-34T rear cassette has 11 teeth while the largest cog has 34. This means a big range of gears to climb hilly terrain or push on downhill with superb control and ease. 

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CS-R7100-12
11-34T

CS-HG710-12
11-36T*
*Coming Soon!

FC-R7100
50-34T
50-36T*

*Coming Soon!

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BR-R7170

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SLOWING DOWN
NEVER FELT THIS GOOD

ACCESSIBLE, RACER-READY BRAKE SYSTEM

Braking comes to 105 like never before – lighter, faster, smoother, and quieter – offering superb stopping control in all conditions. The hydraulic disc brake system has 10% more pad clearance than the mechanical 105, meaning less annoying 
brake rub. And a simpler, maintenance-friendly brake fluid bleeding process.

10%

Pad to Rotor Clearance Increase

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DISC ROTORS

RT-CL900

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  • ICE TECHNOLOGIES FREEZA construction achieves both superb heat dissipation and lightweight.

  • Heat dissipation paint boosts performance.

RT-CL800

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  • ICE TECHNOLOGIES FREEZA construction achieves both superb heat dissipation and lightweight.

CARBON WHEELS ON THE NEW LEVEL

Shimano has brought full carbon wheels down to a new level.

With a development concept shared with Dura-Ace and Ultegra, the new full carbon wheels offer balanced performance at a lower price. Both the C32, with its focus on acceleration and climbing, and the C46, a great all-rounder model, share DNA with the C36 and C50 Dura-Ace and Ultegra wheel options.

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