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Shimano Dura-Ace 7900 Crank Set

Shimano Dura-Ace 7900 Crank Set

This sleek aerodynamic Dura-Ace Hollowtech II crankset features significant weight
saving and increased rigidity through the use of a 20% stiffer chainring, resulting in
optimal shifting & power transfer.



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Crank Type

Crank Length Dura-Ace


        
Shimano Dura-Ace 7900 Brake Callipers

Shimano Dura-Ace 7900 Brake Callipers

The Dura-Ace 7900 brakes present a new, durable shoe compound that produces 210%
the stopping power in wet condition, 120% in dry conditions and 50% longer wear.


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Shimano Dura-Ace 7900 Cassette

Shimano Dura-Ace 7900 Cassette

Featuring four titanium cogs, the new Dura-Ace 7900 cogset has further improved
shifting quality by creating a more rigid aluminum carrier unit along with a
re-engineered tooth profile. Shimano also successfully reduced the weight of the
rear wheel assembly by 10 grams.


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Shimano Dura-Ace 7900 TT Brake Levers

Shimano Dura-Ace 7900 TT Brake Levers

Shimano ergonomics in a lightweight, aerodynamic carbon brake lever design.

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Shimano Dura-Ace 7900 Chain

Shimano Dura-Ace 7900 Chain

The asymmetric design of the 10-speed Dura-Ace chain improves shifting precision
and smoothness due to different inner and outer plate chamfers and dimensions. While
still saving weight without giving up strength, this chain offers higher durability,
silent pedaling, and reduced chain drop even under intense pressure.


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Shimano Dura-Ace 7900 Bottom Bracket

Shimano Dura-Ace 7900 Bottom Bracket

The Dura-Ace Hollowtech II bottom bracket offers a wider bearing space for superior
stability and an improved seal design for longer durability.


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Shimano DI2 Front Gear Mount Clamp

Shimano DI2 Front Gear Mount Clamp



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Shimano DI2 Mount Adaptor



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Shimano DI2 Cable Cover



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Shimano DI2 Shifter Junction Wire

Shimano DI2 Shifter Junction Wire



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Shimano DI2 Charger Cable



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Shimano DI2 Charger

Shimano DI2 Charger



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Shimano DI2 Battery Pack

Shimano DI2 Battery Pack

At a feather light 71g, the DI2 battery pack powers your entire system.  On
average, the battery can hold a charge for 1600 Kilometers. Your current battery
charge level can be checked through the front wire kit.


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Shimano Dura-Ace DI2 Rear Gear

Shimano Dura-Ace DI2 Rear Gear

Through SEIS, the electronic rear derailleur is the fastest & most precise shifting
available for the road.  In addition, the carbon pulley plate is lightweight and rigid
while adding a dash of style.


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Shimano Dura-Ace DI2 Front Gear

Shimano Dura-Ace DI2 Front Gear

The front derailleur contains the shifting logic and enables the shifters to stay in
constant communication with the whole system.  Front shifting is the most
perfect front shift available today.  With automatic micro-trim adjustments,
the chain is kept perfectly aligned and quiet.


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Shimano Dura-Ace DI2 Tri/TT Shifters

Shimano Dura-Ace DI2 Tri/TT Shifters

Designed exclusively for triathletes and time trialists, the new system eliminates the
need to change hand positions during shifting.  Riders can change gears at the base bar
(ST-7971) as well as the bar extensions (SW-7971) because the system in linked.


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Shimano Dura-Ace DI2 TT Brake Levers

Shimano Dura-Ace DI2 TT Brake Levers

Designed exclusively for triathletes and time trialists, the new system eliminates
the need to change hand positions during shifting.  Riders can change gears at the
base bar (ST-7971) as well as the bar extensions (SW-7971) because the system
in linked.


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Shimano Dura-Ace DI2 STI Levers

Shimano Dura-Ace DI2 STI Levers

Dura-Ace DI2 takes Shimano shifting performance to a whole new level with SEIS
(Shimano Electronic Intelligent System).  In addition to uni-directional carbon
fiber levers, the electronic shifters are ultra lightweight & Flight Deck compatible
with a wireless speed sensor that allows for intuitive operation without changing
hand position


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