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The Deore XT M8100 is Shimano’s newest weapon in search of mountain bike fun and adventure. As the first group of components designed specifically for mountain bikes ever, the Deore XT M8100 continues its success story based on high durability and reliable performance.
Scope of delivery – Shimano XT M8100 1×12-speed Group Clamp
- 1 Shimano XT FC-M8100-1 12-speed Crank without Chainring (choose variant crank arm length)
- 1 Shimano XT SL-M8100 Clamp 12-speed Shift Lever right
- 1Â Shimano gear wire 2050mm and gear cable SIS OT-SP41 1800mm
- 1 Shimano XT RD-M8120 (10-45) / RD-M8100 (10-51)Â 12-speed Rear Derailleur SGS
- 1 Shimano XT CS-M8100 12-speed Cassette incl. Lock Ring (choose variant gradation)
- 1 Shimano XT CN-M8100 12-speed Chain 126 Links incl. Connector Quick-Link SM-CN910-12
Chainring SM-CRM85 and Bottom Bracket BB-MT800 / Pressfit BB-MT800-PA not included!
The original mountain bike group continues its legacy: XT M8100 1×12-speed Group from Shimano
The original mountain bike group continues its legacy of remaining the standard for mountain bikers everywhere. Nearly three decades in, the DEORE XT brand is defined by its trail-tested durability, reliability and performance. Recognizing that today’s mountain bikers are riding faster and confidently on more technical terrain, the legacy of DEORE XT is more important than ever. In 2019, our pinnacle mountain bike technologies will trickle down to SHIMANO DEORE XT M8100.
Shimano XT FC-M8100-1 12-speed Crank without Chainring
The Shimano XT FC-M8100 1×12-speed crank with 172 mm Q-factor, 52 mm chainline and 142 / 148 mm O.L.D stands for highest drive efficiency at low weight. It offers optimum power transmission and maximum speed for the new XT system, which only use 1 chainring. In addition to a new special 12-speed chain (CN-M8100) with the corresponding new 12-speed QUICK LINK lock, SHIMANO is also equipping the XT M8100 with new cranksets for 12-speed (FC-M8100/8120/8130-1). Most of them use 1-speed systems and a wide range of chainrings (28T to 36T) is available.
The new XT 1×12-speed cranks are characterised by DYNAMIC CHAIN ENGAGEMENT+ technology, whose special high-precision tooth profile ensures that the chain finds optimum grip on the upper part of the chainring on rough terrain, but detaches equally well from the chainring at the bottom, thus ensuring efficiency, smoothness and low noise of the drive. The cranks are equipped with a direct-mount system for quick and safe assembly of the chainrings, enabling chainrings to be changed in no time at all. The crank is available in boost and non-boost specifications.
Features
- FC-M8100-1 Q-Factor 172mm
- Chain line 52mm
- O.L.DÂ 142mm / 148mm (Boost)
- Compatibility 1×12-speed with CS-M8100 cassettes 10-45 and 10-51
- Mounting system Direct mount (Lighter and stiffer design & easy exchangeable chainring by direct mount and one key release)
- Chainring SM-CRM85 Available in different gradations (28-30-32-34-36) – Chainring is not included!
Product features
- Use: MTB
- Group: XT M8100
- Model: FC-M8100-1
- Gradation:Â Chainring is not included!
- Q-Factor: 172mm
- Threaded BB shell width: 68 / 73mm
- Gear rear:Â 12-speed
- Construction: Hollowtech II
- Compatible Chain:Â CN-M8100 12-speed
- Crank arms: 4 arm
- O.L.D: 142mm / 148mm (Boost)
- Chain line:Â 52mm
Crank Arm Length (choose variant)
- 165mm
- 170mm
- 175mmÂ
- 180mm
MaterialÂ
- Crank arm: Aluminum Anodized
- Crank axle: Steel Plated
Weight
- approx 608g with chainring (manufacturer information)
For suitable SM-CRM85 Chainring >CLICK HEREÂ
Bottom Bracket BB-MT800 / Pressfit BB-MT800-PA not included!
Shimano XT SL-M8100 Clamp 12-speed Shift Lever
The Shimano XT SL-M8100 12-speed Rapidfire Plus shift lever with clamp construction features a lightweight, ergonomic and compact design. In addition to the shifting behavior, the performance also increases. With 20 % quicker lever access time and 35 % less force. Enhancing lever access and shifting speed, the new RAPIDFIRE PLUS shift levers offer light operation force and more versatility. Shimano’s new I-Spec EV lever design features greater flexibility in mounting for a clean and ergonomic cockpit. And for double chainring systems, the lever simplifies front shifting with a lightweight and compact design that shifts up and down with a single lever.
Features
- 20% quicker lever access time
- Compact design and lightweight
- Quicker lever access and light operation force maintains rider concentration
- Greater flexibility and action-optimized cockpit layout
- 2-WAY RELEASE for instant push/pull movements
Product features
- Use: MTB
- Group: XT M8100
- Model: RD-M8100-R
- Shifter Type: Rapidfire Plus
- Mounting: Clamp
- Gear rear: 12-speed
- Optical Gear Display: No
- Instant Release: Yes
- Multi Release: Yes
- 2-Way Release: Yes
- Cable adjust: Yes
Material
- Main lever body: Aluminum Painted
- Lever body:Â Aluminium, GFRP
- Clamp bolt: Stainless steel
Weight
- Â approx. 125g (manufacturer information)
Shimano XT RD-M8120 (10-45) / RD-M8100 (10-51) 12-speed Rear Derailleur
The Shimano XT RD-M8120/RD-M8100 12-speed rear derailleur features an elegant yet aggressive angled design and an attractive anodised aluminium surface. The derailleurs feature bigger 13-tooth pulleys and include Shimano’s proven Shadow RD+ low profile technology. The use of a single or a double system requires the installation of the specific single or double rear derailleur.
Features
- Shadow RD+ For optimal chain retention
- RD-M8120-SGSÂ Works with 12-speed 10-45-teeth cassettes
- RD-M8100-SGSÂ Works with 12-speed 10-51-teeth cassettes
Product features
- Use: MTB
- Group: XT M8100
- Model: RD-M8120/8100
- Mount: Direct Mount
- Technology: Shadow RD+
- Gradations:Â SGS-Type
- Compatible chain:Â CN-M8100 12-speed
- Max. teeth large sprocket:Â 45/51T
- Min. teeth large sprocket: 45T
- Max. teeth small sprocket: 10T
- Min. teeth small sprocket: 10T
- Max. Front Difference:Â 0T
- Total Capacity: 41/45T
Pulley cage
- Type-SGS long
Material
- Aluminum
- GFRP
- Stainless steel
- Steel
Weight
- approx. 284g – RD-M8100 (manufacturer information)
- approx. 290g – RD-M8120 (manufacturer information)
Shimano XT CS-M8100 12-speed Cassette
The Shimano CS-M8100 is the suitable cassette for new XT 12-speed group. HYPERGLIDE+ drivetrain’s redesigned cassette and chain promotes the next generation of MTB riding by enhancing speed, shifting efficiency and smoothness over any terrain.
Features
- Gearing optionsÂ
- 10-45T (12-speed rhythm step spec for Cross Country)
- 10-51T (12-speed wide range spec for Enduro)
- Hyperglide+Â quicker shifting
- Material Aluminium & steel
- BEAM SPIDER construction Increased acceleration
- MICRO SPLINE 10T lowest sprocket realized by new FREEHUB body construction
Product features
- Use: MTB
- Group:Â XT M8100
- Model: CS-M8100-12
- Type: Hyperglide+
- Gear:Â 12-speed
- Compatible chain:Â CN-M8100 12-speed
Gradation (choose variant)
- 10-45 (10-12-14-16-18-21-24-28-32-36-40-45 teeth)
- 10-51 (10-12-14-16-18-21-24-28-33-39-45-51 teeth)
Material
- Aluminium
- Steel
Weight
- approx. 461g – 10-45 (manufacturer information)Â
- approx. 470g – 10-51 (manufacturer information)
Shimano XT CN-M8100 12-speed Chain with Quick-Link
The special design of the new Shimano XT CN-M8100 12-speed chain ensures improved shifting performance and smoother running – even in rough terrain. The SM-CN910-12 Quick-Link closure, which is also new, makes installation easy.
Features
- New Drive System Dedicated Design Chain
- Greater chain retention to extend portion on the end of inner plate to firmly hold the tooth both front and cassette sprocket
- Enhancements to shifting performance
- Easy connect
- Smoother driving even over bumpy terrain
- Compatible with new generation of drive train
- Quick-Link (SM-CN910-12)
- Quick-Link connecting & removing pliers (TL-CN10) – Not included!
Product features
- Use:Â MTB, E-Bike
- Group: XT M8100
- Model:Â CN-M8100
- Gear front: 1/2-speed
- Gear rear: 12-speed
- Type: HG
- Hollow Pin: Yes
- Pin Link Plate: SIL-TEC
- Roller Link Plate:Â Chromizing
- Roller: SIL-TEC
- Connector: Quick-Link SM-CN910-12
Compatibility
- XT M8100
- SLX M7100
- XTR M9100
- 12-speed E-Bike
Links
- 126
Weight
- approx. 252g / 116 Links (manufacturer information)
Technologies
DYNAMIC CHAIN ENGAGEMENT+
SPECIAL GEAR TEETH FUNCTION SHIMANO’s DYNAMIC CHAIN ENGAGEMENT+ is a special gear teeth profile designed for use in single-chainring configurations for XC, enduro, and trail riding. It gives more chain retention and smoother pedaling – even over bumpy terrain. Chain retention of any gear will reduce abrasion and worn out.
HOLLOWTECH II
Providing the best balance of stiffness, strength, weight and rotating performance The concept of HOLLOWTECH II technology is focused on producing a superior crankset which will maximize a rider’s power transfer. The rigidity of the crankset ensures pedaling efficiency while its weight, a key element of the crankset, you want light, aids in cycling longer distances over which the rider needs to pedal more. Naturally, SHIMANO strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank. HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company’s own proprietary forging technology that also maintains rigidity. The addition of HOLLOWTECH II technology integrates the bottom bracket axle with the right crankarm for more stiffness and a weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedaling stability, allowing for more efficient power transfer. The HOLLOWTECH II crankset has been developed by pursuing the optimum balance of stiffness & rotating performance in a lightweight and beautiful crankset design. High Precision Sealing Moreover, HOLLOWTECH II crankset has a high-precision sealing in the bearing area to increase durability maintaining the excellent rotating performance for long periods.
Instant Release
2-Way Release
Rapidfire Plus
Rapidfire Plus Mono
RAPIDFIRE PLUS MONO LEVER provides intuitive and simple front control that empowers riders to shift both up and down with a single lightweight and compact lever.
Benefits & Features
- Simple and intuitive single lever operation, quicker access and lighter front shifting enhances concentration.
- Front double shifting with natural finger positioning supports intuitive shifting operation.
- Easy front shifting helps riders quickly and accurately respond to rapidly changing conditions.
RAPIDFIRE PLUS MONO LEVER’s simple and intuitive lever operation allows riders to shift both up and down with a single lever. It supports front double shifting with natural finger positioning and intuitive shifting operation while maintaining a solid grip on the handlebar. 2WAY-RELEASE functionality delivers instantaneous push & pull movements to help riders respond quickly and accurately to rapidly changing conditions.
I-Spec-EV
I-SPEC EV creates a clean and action-optimized cockpit that provides greater focus and flexibility for a wider range of riders.
Benefits & Features
- Wider adjustment range allows riders of various styles, preferences and body styles to adjust to the optimal position.
- Ergonomic design, quicker lever access, and light operation enhance rider comfort and concentration.
With its wider adjustment range, I-SPEC EV levers can be adjusted to the optimal position to match a wider range of riding styles (ENDURO/XC/etc.), rider preferences and rider anatomies (hand and arm alignment). I-SPEC EV increases brake lever rigidity by moving the brake clamp position inward to create an extra point of contact between the bar and the lever. This additional bracing drastically increases bike control and braking engagement while maintaining space between the clamp and support point for other handlebar accessories.
MICRO SPLINE
MICRO SPLINE delivers lightweight aluminum FREEHUB body to reduce weight and 10 teeth top gear. Use combination with MICRO SPLINE cassette sprocket and FREEHUB.
Benefits & Features
- Lightweight aluminum MICRO SPLINE FREEHUB seamlessly integrates with small 10-tooth top gears.
- Smaller and more widely distributed splines limit cog damage on lightweight aluminum FREEHUB.
HYPERGLIDE+
HYPERGLIDE+ drivetrain’s redesigned cassette and chain promotes the next generation of MTB riding by enhancing speed, shifting efficiency and smoothness over any terrain.
Benefits & Features
- Better chain engagement, stronger retention, and smoother pedaling provide greater power and confidence over rapidly changing terrain.
- Definitive up & down shifting in both directions boosts riders’ concentration and acceleration.
- Ultra-efficient drivetrain with smoother power transmission increases comfort and reduces rider stress.
- A wide range of gearing choices, cassette options and the choice of a single or double front chainring, support a wide variety of MTB riding styles, abilities and preferences.
HYPERGLIDE+ will help kickstart the next generation of mountain bike riding by introducing continuous pedaling over virtually any terrain. This revamped drive system and dedicated chain deliver fast shifting, efficient power transfer and chain stability like you’ve never experienced before. It helps riders adapt to drastically changing trail conditions by precisely judging the optimal shifting moment for consistently smooth operation. HYPERGLIDE+ helps riders seamlessly maneuver rough trails by reducing pedaling shock and cutting shifting times by a 1/3. (vs. current HG system).
Shimano’s 12-speed DEORE XT M8100
First lock: Shimano Deore XT M8100
| Choose variant | 165mm/Clamp/10, 165mm/Clamp/10, 170mm/Clamp/10, 170mm/Clamp/10, 175mm/Clamp/10, 175mm/Clamp/10, 180mm/Clamp/10, 180mm/Clamp/10 |
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