DESCRIPTION

The all-new SHIMANO ULTEGRA R-8170 groupset delivers the power transfer that riders Shimano love, but with even more crank length options.

COMPOSITION

Crankset 2x12-S SHIMANO ULTEGRA HOLLOWTECH II FC-R8100
ULTEGRA's new FC-R8100 crankset offers the same fast, precise chainring shifting and efficient power transfer that riders love Shimano , but with even more crank length options. With lengths from 160 to 175 mm, the ULTEGRA cranks are now also aimed at smaller riders, triathletes and those who want to try shorter cranks.
An integral part of the new 12-speed road Shimano line, the FC8100 crankset builds on the legendary efficiency of the chainring shifting and Shimano drivetrains. With new refinements for high-smooth 12-speed gearing, the ULTEGRA crank offers more performance and compatibility for smaller riders, triathletes and riders with specific biomechanical requirements.

- Optimal balance between rigidity, robustness, weight and rotational efficiency.
- HOLLOWGLIDE construction reduces weight but retains strength, for better power transfer and faster, more precise chainring shifting

Left and right levers for DUAL CONTROL 2x12-speed hydraulic disc brakes SHIMANO ULTEGRA Di2 ST-R8170-L and ST-R8170-R
Road cycling has never been so much fun. This is because the new ULTEGRA ST-R8170 DUAL CONTROL levers have completely new ergonomics, with even more precise brake modulation and wireless electronic shifting.
The new Shimano ULTEGRA ST-R8170 brake levers offer improved modulation and control, thanks to the proven SERVO WAVE Shimano technology. The all-new Di2 platform, used on both DURA-ACE and ULTEGRA, offers our fastest and most reliable wireless shifting. Your time in the saddle is precious, Shimano can make it even better.

- Clean cockpit: wireless connection improves aerodynamics and facilitates maintenance
- Unmatched ergonomics, perfected with the feedback of professionals
- Raised handguard improves ergonomics
- Optimized brake control
- Lighter, smoother lever action
- Optimized modulation thanks to a larger braking control area
- Compatible with wired and wireless connection
- Available for additional satellite shift controls
- High electronic energy efficiency
- 1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries

Rear Front Calipers for ULTEGRA SHIMANO Hydraulic Disc Brakes BR-R8170-F and BR-R8170-R
The new ULTEGRA BR-R8170 calipers offer improved modulation, a quieter braking system and an easier bleeding process than ever before.
The ULTEGRA R8170 disc brake calipers offer new levels of control in the world of road cycling with improved modulation and a faster initial braking point. Despite their smaller build, the system is quieter than ever and easier to maintain.

- 10% increased pad distance reduces brake noise
- Low maintenance purge procedure

SHADOW RD 2x12-SHIMANO ULTEGRA Di2 RD-R8150 SHIMANO Gearbox
Now simplified with a single derailleur cage length, the new Shimano ULTEGRA R8150 12-speed is the fastest and most precise shifting on the market in a more affordable version.
With the fastest and most accurate derailleur on the market, the new ULTEGRA R8150 12-speed rear derailleur is more versatile than ever, thanks to a single cage length option compatible with min sprockets. 28-34D.

- Faster shifting than ever, 58% faster than RD-R9150
- Compact design includes a built-in wireless unit, charger, and switch
- LED status indicator, Battery indicator
- Pairing
- Adjustment mode, etc.
- Wider range of reports
- Max pinion min.: 34T

Front Derailleur 2x12s SHIMANO ULTEGRA Di2 FD-R8150
More compact and faster than ever, the ULTEGRA R8150 derailleur performs digitally precise chainring changes in any condition.
Combining the new Di2 SHIMANO platform with the road incarnation of HYPERGLIDE+, the ULTEGRA R8150 derailleur moves between chainrings with the fastest and smoothest action on the market.

- Faster chainring change than ever, 45% faster than FD-R9150
- Smaller, more aerodynamic, lighter
- Frontal area reduced by 33%
- Weight reduced to 116g
- Maximum chainring teeth: 50-54T

11-30T cassette SHIMANO ULTEGRA 12-s HYPERGLIDE+ CS-R8100-12
The ultra-smooth experience of the ULTEGRA R8100 12-speed range allows you to negotiate climbs, sprint and go on long distances without stopping to think about the next gear change.
Even during maximum efforts uphill or racing with a friend, you no longer need to reduce the pressure on the pedals to change gears. In any gear, ULTEGRA R8150 drivetrains maximize efficiency thanks to larger sprockets and maintain compatibility with existing HYPERGLIDE rear hub bodies. All this while upgrading to 12 gears and without increasing weight, the ULTEGRA CS-R8100 cassettes are the new frontier for road bikes.

- Refined 12-step progressivity maximizes acceleration efficiency and performance for all racing situations
- Faster and smoother gear shifting even with maximum pedaling force
- Compatible with the new 12-speed rear hub body and 11-speed road hub body

Nr. 2 rotors for disc brakes SHIMANO DEORE XT CENTER LOCK 160mm + 140mm RT-MT800 (kit prepared by shimano, if you buy 2 160mm the second adapter to the caliper does not come out.)
The compact and lightweight rotors for SHIMANO DEORE XT RT-RT800 disc brakes offer fast heat dispersion thanks to the ICE TECHNOLOGIES FREEZA heat management system. Installing and removing the rotors is very easy thanks to the SHIMANO CENTER LOCK design.

- Heat Sync design reduces efficiency losses
- New disc brake rotor structure improves heat dispersion preventing overheating
- ICE TECHNOLOGIES FREEZA
- Easy installation of the disc brake rotor with keyway and ring nut mounting

Nr. 1 EW-SD300 600mm external electrical cable + Nr. 1 EW-SD300 1200mm external electrical cable
External electrical cables with a more compact design that makes the new electrical components smaller and lighter. Designed to expand the potential capabilities of Di2 systems into the future.

Built-in Di2 SHIMANO DuraAce BT-DN300 Battery - Type SD300
The new DN300 battery offers the same waterproof construction that Di2 users have loved for generations. Now equipped with 3 ports, it provides stable power to the front derailleurs. and 12-speed road shifts Shimano.
With the same measurements as the previous model, the slim DN300 battery can be accommodated in seatposts or frames, ensuring a clean aesthetic. Now equipped with 3 ports, the DN300 model simplifies wiring to the front and rear derailleurs, providing a stable power supply. The third port is for those who want redundancy of the Di2 12v wired option of Shimano.

- Compatible with the thinnest next-generation SD300 electrical wire and systems after the R9250/R8150 series
- 3 SD300 ports
- Shared attachment method with BT-DN110

Charging connector SHIMANO EW-EC300
The new EC300 charging connector is designed specifically for Shimano's Di2 12v road drives. Connected via the rear derailleur, it is also compatible with Shimano power meters.
Charging the new Shimano Di2 12v road drivetrains is now done with the EC300 charging cable. Connected to the gearbox, this new cable is less expensive than previous chargers and can also be used to charge Shimano power meters.

Charging connector for RD-R9250 and FC-R9200-P
Compatible with FC-R9200-P charging
Cable length 1.5 m

SLX 12-speed MTB chain CN-M8100 - HYPERGLIDE+ - SIL-TEC
The M8100 chain offers increased chain retention thanks to an extended portion of the inner plate. The new chain is equipped with quick-link assembly and SIL-TEC treatment for long off-road life.

- Unique design ensures smooth gear changes and robustness
- Extended inner plate improves chain engagement and retention
- DYNAMIC CHAIN ENGAGEMENT+
- Only compatible with 12-speed drive systems
- Easy connection (SM-CN910-12)

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