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Drive-train
The Dyna-Sys drive-train comes in two varieties:
double and triple. The rider can choose the
option that best suits his style, fitness or
terrain. The ever popular and more versatile
triple comes with a 42-32-24T chain ring
combination with the proven composite enhanced
middle ring for maximum shift smoothness and
durability. Most notably, the 24T inner ring
offers a significant improvement in efficiency
compared with a 22T and still provides a very
low gear for climbing when paired with a 36T
rear sprocket. A trail oriented 2X10 crank
debuts with a 38-26T chain ring set as well as a
more XC oriented 40-28T combination.
The SHADOW rear derailleur continues to be
improved and combined with the newest shifter
design optimizes the overall system stability.
Angled adjustment screws and clamp bolt make the
new front derailleur more mechanic friendly and
the option for direct mount creates greater
options for frame designers. The drive-train is
connected by the new 10-speed HG-X directional
chain that ensures optimal shifting performance
at the crankset and the HYPERGLIDE cassette
sprockets. Cassette CS-M771-10 options: 11-36T,
11-34T, 11-32T.
Advanced light
action shifting with the RAPIDFIRE PLUS shifter
requires the same amount of force to shift
between the two largest sprockets as it takes to
shift in between the two smallest. The vivid
index establishes intuitive shifting feedback
without adding unnecessary shifting force to the
system. Shimano’s Instant, Multi- and 2-Way
Release technology are all integrated into the
latest generation shifter as well as a mode
converter that allows the left hand unit to be
used with both double and triple cranks.
Ice
Technologies disc brakes
The new XT SERVO-WAVE disc brakes provide huge
leaps in braking, control and heat management.
The new compact caliper with oversized 22mm
ceramic pistons is combined with a lightweight
lever for a brake that is lighter than the
current version, yet provides more brake power.
DEORE XT Ice-Tech rotors (160, 180 and 203mm)
have a three layer sandwich structure of an
aluminum core embedded in stainless steel. The
higher heat dissipation of the aluminum helps to
reduce the surface temperature of the rotor by
around 100 degrees Celsius. Optional Ice Tech
brake pads with aluminum cooling fins can reduce
the brake pad surface by another 50 degrees. The
result is high stopping power and practically no
signs of fading! Besides Center Lock rotor
mount, also 6-bolt Ice-Tech rotors will be
available.
Mechanics will
appreciate the integration of the one-way
bleeding system and riders will enjoy the option
for Ispec shifter mount compatibility to shave a
few grams and have a clean cock pit. The brake
levers have been provided with a free stroke
adjuster as well as a tool-less reach adjuster.
Wheels and
pedals
DEORE XT offers dedicated wheel sets for trail
and XC usage. The trail wheels have been
developed with 21c tubeless anodized aluminum
rims. The front wheel features Shimano’s 15mm
E-thru system for improved rigidity. Rear wheel
choice in between 12mm E-Thru or quick release
version.
The XC wheels have been developed with 19c
tubeless anodized aluminum rims. Front wheel
choice in between quick release or 15mm E-Thru
system. Rear wheel quick release version only.
All DEORE XT wheels have been developed with
Shimano’s proven cup and cone bearings and
Center Lock rotor mount. 24 stainless steel
spokes in front and rear.
The new XT includes a lightweight XC pedal
(PD-M780), featuring an increased surface
contact area (5 times bigger vs. current XT
pedal PD-M770) for incredible pedaling
stability. An oval shaped, slimmer pedal axle
housing sheds mud better than prior designs for
the best possible performance in muddy
conditions. Weight: 343 g/pair. PD-M785 is the
new XT pedal with an integrated cage for even
more stability, aimed at trail usage. It also
has an increased surface contact area of 8.5
times over the PD-M770. Weight: 408 g/pair.
New DEORE XT
offers once again a wide range of innovative
products, based on the principles of quality and
performance. With this new group, Shimano is
confident to add another successful chapter to
the XT history.
Shimano XT groupset for 2012 on show
Shimano XT Deore 2011 Video
Shimano deore and SLX groupset for 2012 |
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