DESCRIPTION

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

COMPOSITION

2x12-speed SHIMANO ULTEGRA HOLLOWTECH II FC-R8100 172.5mm crankset
ULTEGRA's new FC-R8100 crankset offers the same quick and precise chainring and efficient power transfer that Shimano riders love, but with even more crank length options. With lengths from 160 to 175 mm, ULTEGRA cranks are now also aimed at smaller cyclists, triathletes and those who want to try shorter cranks.
An integral part of Shimano's new 12-speed road line, the FC8100 crankset is based on the legendary efficiency of Shimano's chainring and drivetrains. With new refinements for a high-smoothness 12-speed shifting, the ULTEGRA crank arm offers more performance and compatibility for smaller riders, triathletes and cyclists with specific biomechanical requirements.

- Optimal balance between rigidity, strength, weight and rotation efficiency.
- HOLLOWGLIDE construction reduces weight but maintains strength, for better power transfer and a faster and more precise chainring change

Left and right levers for SHIMANO ULTEGRA Di2 DUAL CONTROL 2x12-v hydraulic disc brakes ST-R8170-L and ST-R8170-R
Road cycling has never been this 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 Shimano's proven SERVO WAVE 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: the wireless connection improves the aerodynamic effect and facilitates maintenance
- Unmatched ergonomics, perfected with professional feedback
- Raised handguard improves ergonomics
- Optimized brake control
- Lighter and smoother lever action
- Optimized modulation thanks to a larger braking control area
- Compatible with wired and wireless connection
- Available for additional satellite shifting controls
- High electronic energy efficiency
- 1.5 to 2 years of battery life with easy-to-replace CR1632 shifting shifter batteries

Front rear calipers for SHIMANO ULTEGRA BR-R8170-F and BR-R8170-R hydraulic disc brakes
The new ULTEGRA BR-R8170 calipers offer better modulation, a quieter braking system and an easier bleeding process than ever.
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.

- Pad clearance increased by 10% reduces brake noise
- Low maintenance purge procedure

SHIMANO SHADOW RD 2x12-v SHIMANO ULTEGRA Di2 RD-R8150 shifter
Now simplified with a single length of the derailleur cage, the new Shimano ULTEGRA R8150 12v is the fastest and most precise shifting on the market in a more accessible version.
Featuring the fastest and most accurate front derailleur on the market, the new ULTEGRA R8150 12s rear derailleur is more versatile than ever, thanks to a single cage length option compatible with min. 28-34D.

- Faster shifting than ever, 58% faster than RD-R9150
- Compact design includes integrated wireless unit, charger and switch
- LED status indicator, Battery indicator
- Pairing
- Adjustment mode, etc.
- Wider range of ratios
- Pinion max min .: 34T

SHIMANO ULTEGRA Di2 FD-R8150 2x12s front derailleur
More compact and faster than ever, the ULTEGRA R8150 derailleur performs digital precision chainring changes in all conditions.
Combining SHIMANO's new Di2 platform with the road-going incarnation of HYPERGLIDE +, the ULTEGRA R8150 derailleur shifts between chainrings with the fastest and smoothest action on the market.

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

Cassette sprocket 11-30T SHIMANO ULTEGRA 12-speed HYPERGLIDE + CS-R8100-12
The ultra-smooth experience of the 12-speed ULTEGRA R8100 range allows you to climb hills, sprint and drive long distances without stopping to think about your next gear shift.
Even during maximum uphill efforts or racing with a friend, it is no longer necessary to reduce the pressure on the pedals to change gear. In any gear, ULTEGRA R8150 transmissions maximize efficiency with larger sprockets and maintain compatibility with existing HYPERGLIDE rear hub bodies. All this by moving to 12 gears and without increasing the weight, the ULTEGRA CS-R8100 cassettes are the new frontier for road bikes.

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

Nr. 2 disc brake rotors SHIMANO DEORE XT CENTER LOCK Rotor for disc brake 160mm RT-MT800
The compact and lightweight SHIMANO DEORE XT RT-RT800 disc brake rotors offer rapid heat dissipation thanks to the ICE TECHNOLOGIES FREEZA heat management system. The installation and removal of the rotors is very simple thanks to the SHIMANO CENTER LOCK design.

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

Nr. 1 external electric cable EW-SD300 of 600mm + Nr. 1 external electric cable EW-SD300 of 1200mm
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 in the future.

Built-in Di2 battery SHIMANO DuraAce BT-DN300 - 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 Shimano 12-speed road shifters.
With the same measurements as the previous model, the slim DN300 battery can be housed in seat posts or frames, ensuring a clean aesthetic. Now equipped with 3 ports, the DN300 simplifies wiring to the front and rear derailleurs, providing stable power. The third port is for those who want the redundancy of Shimano's Di2 12v wired option.

- Compatible with new generation SD300 thinnest electrical wire and systems after the R9250 / R8150 series
- 3 SD300 ports
- Fixing method shared with BT-DN110

SHIMANO EW-EC300 charging connector
The new EC300 charging connector is designed specifically for Shimano's Di2 12v road drivetrains. 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 shifter, 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 charge
Cable length 1.5 m

Chain SLX 12-v MTB 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 a quick-link assembly and SIL-TEC treatment for a long life in off-road use.

- Exclusive design ensures smooth shifting and robustness
- Extended inner plate improves chain engagement and retention
- DYNAMIC CHAIN ENGAGEMENT +
- Compatible with 12-speed transmission systems only
- Easy connection (SM-CN910-12)

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