Shimano Ultegra R8170 Di2 Disc 12V Group

DESCRIPTION

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

COMPOSITION

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

- Optimal balance between rigidity, strength, weight and rotation efficiency.
- The HOLLOWGLIDE structure reduces weight but maintains robustness, for better power transfer and a faster and more accurate crown change

Left and right levers for hydraulic disc brakes DUAL CONTROL 2x12-v SHIMANO ULTEGRA Di2 ST-R8170-L and ST-R8170-R
Road cycling has never been so much fun. That's 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 ULTEGRA ST-R8170 Shimano brake levers offer improved modulation and control, thanks to 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 aerodynamic effect and facilitates maintenance
- Unparalleled ergonomics, perfected with the feedback of professionals
- 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 change controls
- High electronic energy efficiency
- 1.5 to 2 years battery life with easy-to-replace CR1632 shift control batteries

Rear Front Calipers for Hydraulic Disc Brakes SHIMANO ULTEGRA BR-R8170-F and BR-R8170-R
The new ULTEGRA BR-R8170 calipers offer better modulation, a quieter braking system and an easier purging 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 structure, the system is quieter than ever and easier to maintain.

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

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

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

Front derailleur 2x12v SHIMANO ULTEGRA Di2 FD-R8150
More compact and faster than ever, the ULTEGRA R8150 derailleur performs digitally precision crown changes in any condition.
Combining the new Di2 SHIMANO platform with the road-going embodiment of HYPERGLIDE+, the ULTEGRA R8150 derailleur moves between chainrings with the fastest and smoothest action on the market.

- Faster than ever, 45% faster than FD-R9150
- Smaller, more aerodynamic, lighter
- Front area reduced by 33%
- Weight reduced to 116 g
- Maximum crown teeth: 50-54D

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

- The refined 12-step progressiveness maximizes efficiency and acceleration performance for all race situations
- Faster and smoother gear change even with maximum pedaling force
- Compatible with the new 12v rear hub body and 11v road hub body

Nr. 2 rotors for disc brakes SHIMANO DEORE XT CENTER LOCK Rotor for disc brake 160mm RT-MT800
The compact and lightweight rotors for disc brakes SHIMANO DEORE XT RT-RT800 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 design SHIMANO CENTER LOCK.

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

Nr. 1 external electrical cable EW-SD300 600mm + Nr. 1 external electrical cable EW-SD300 da da 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 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 doors, it provides stable power to the front derailleurs. and 12-speed road changes Shimano.
With the same measurements as the previous model, the slim DN300 battery can be housed in seatposts or frames, ensuring a clean aesthetic. Now equipped with 3 doors, the DN300 makes it easy to wiring to the front and rear derailleurs, providing stable power. The third port is for those who want redundancy of the wired option Di2 12v of Shimano.

- Compatible with the thinnest new generation SD300 electric wire and later R9250/R8150 series systems
- 3 x SD300 ports
- Shared fastening method with BT-DN110

SHIMANO charging connector 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.
The charging of the new Shimano Di2 12v road transmissions is now realized 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 power meters Shimano.

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

Chain SLX 12-v MTB CN-M8100 - HYPERGLIDE+ - SIL-TEC
The M8100 chain offers greater chain retention thanks to an extended portion of the inner plate. The new chain features quick-link assembly and SIL-TEC treatment for long off-road durability.

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