NEW Ultegra 8170 Groupset 12spd Semi-Wireless, 50-34T, 172.5mm, 11-30T, 116L, Centerlock, 160mm

The new groupset from Shimano offers superior shifting performance with more gears, higher torque shifting, and more.

Say bye bye to your disc brakes rubbing with their new brakes with greater clearance.

More aerodynamic than ever before!

The fastest shifting we've seen from Shimano!

FC-R8100 2x12s Crankset

_{In this package: 50-34T, 172.5mm, FCR8100DX04}

ULTEGRA's new FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, ULTEGRA cranks now cater to smaller riders, triathletes, and cyclists curious about shorter crank arms.

An integral part of Shimano's new 12-speed road lineup, the FC-R8100 crank builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the ULTEGRA crank is now offered in lengths from 160 to 175 mm, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanical requirements.

• Optimal balance of stiffness, strength, weight and rotational performance
• HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
• 52-36 and 50-34 chainring options. 160, 165, 170, 172.5, and 175 mm crank arm lengths.

ST-R8170-L 2x / ST-R8170-R 12s Brake Levers and Shifters

_{In this package: R8170DLRDSC170A, R8170DRF6SC100A}

Road riding has never been this much fun. That's because the redesigned ULTEGRA ST-R8170 DUAL CONTROL LEVERS have all-new ergonomics, even more precise brake modulation, and wireless electronic shifting. This trifecta lets you focus on the next sprint, the next descent, or the next joke from your riding partner.

Shimano's new ULTEGRA ST-R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO WAVE technology. The all-new Di2 platform, used on both DURA-ACE and ULTEGRA, untethers the shifters while delivering our fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.

• Clean Cockpit: Wireless connection enhances the aerodynamic effect and easy maintenance
• Unparalleled ergonomics engineering refined with pros' feedback
• Raised hood peak improves ergonomics
• Optimized brake control
• Lighter, smoother lever action
• Enhanced modulation thanks to an expanded braking control area
• Compatible with wired and wireless connection
• Available to additional satellite shifters
• High electronic energy efficiency
• 1.5 to 2 years of battery life with easy-to-change CR1632 shifter batteries

BR-R8170-R / BR-R8170-F Brake Calipers

_{In this package: L03A, R8170DLRDSC170A, R8170DRF6SC100A*}

_{*This is a continuation of the above item (same box)}

To the delight of riders and mechanics alike, the new ULTEGRA BR-R8170 caliper delivers enhanced modulation, a quieter brake system, and an easier than ever bleed process.

The ULTEGRA R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain.

• 10% wider pad clearance decreases brake noise
• Maintenance-friendly bleeding process

SM-BH90-JK-SS 1700mm /

SM-BH90-JK-SS 1000mm Hydraulic Hose

_{In this package: R8170DLRDSC170A, R8170DRF6SC100A*}

_{*This is a continuation of the above item (same box)}

Shimano high-performance brake hose SM-BH90-JK-SSR with 0° banjo-type connector for Dura Ace BR-R9170 disc brake calipers.

SM-MA-R160D/D Disc Brake Mount Adaptor

_{In this package: SMMAR160DDB}

Adaptor to use a 20mm larger brake disc in combination with Shimano Flat Mount brakes.

Flat Mount brakes offer aerodynamic advantages by introducing a closer fit between the caliper and the frame, reducing the need for visible mounting bolts.
Material: aluminium

RD-R8150 12s Rear Derailleur

_{In this package: RDR8150A}

Now simplified with a single derailleur cage length, the new 12-speed Shimano ULTEGRA R8150 rear derailleur packs our fastest, most precise shifting into a more approachable option.

With our fastest, most accurate shifting, the new 12-speed ULTEGRA R8150 rear derailleur is more versatile than ever thanks to a single cage length option that is compatible with 28-34T low sprockets.

• Our fastest ever rear shifting, 58% faster than RD-R9150
• Compact design includes an integrated wireless unit, charger, and switch
• LED status indicator
• Battery indicator
• Pairing
• Adjust mode, etc.
• Wider range capacity
• Max. low sprocket: 34T

FD-R8150 2x12s Front Derailleur

_{In this package: FDR8150F}

More compact and faster than ever, the ULTEGRA R8150 front derailleur performs digitally precise front shifts under any circumstances.

Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the ULTEGRA R8150 front derailleur shifts between chainrings with our fastest, most seamless action.

• Our fastest ever front shifting, 45% faster than FD-R9150
• Smaller, sleeker, lighter
• Frontal area reduced by 33%
• Weight cut to 116 g
• Top gear teeth capacity: 50-54T

CS-R8100-12 Cassette

_{In this package: 11-30T, CSR810012130}

The uninterrupted shifting experience of the ULTEGRA R8100 12-speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-speed FREEHUB bodies.

HYPERGLIDE+ cassettes revolutionized off-road shifting with its seamless shifts both up and down the gear range. Now it's time for the technology to change road cycling. Even during maximal efforts up a climb or racing a friend, riders no longer need to back off to perform a shift. In any gear, Shimano ULTEGRA R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing HYPERGLIDE FREEHUB bodies. All this while increasing to 12-gears, ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting.

• Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation
• Faster, smoother shifts under maximum pedaling force
• Compatible with new 12-speed and road 11-speed FREEHUB body

CN-M8100 12s Chain

_{In this package: 116L, CNM8100116Q}

SHIMANO DEORE XT - 12-Speed - HYPERGLIDE+ - SIL-TEC - MTB Chain

The M8100 chain provides enhanced chain retention thanks to an extended portion of the inner plate. The new chain features quick-link assembly and SIL-TEC treatment for extended offroad durability.

• Proprietary design ensures smooth shifts and strength
• Extended inner plate improves chain engagement and retention
• DYNAMIC CHAIN ENGAGEMENT+
• Compatible with 12-speed drivetrain
• Easy connection (SM-CN910-12)
• Non-reusable
• Quick assembly tool QUICK-LINK connecting & removing pliers (TL-CN10)
• QUICK-LINK connecting & removing pliers (TL-CN10)

RT-MT800 Disc Brake Rotor x2

_{In this package: Centerlock Cassette Style, 160mm, RTMT800SE*}

_{*both rotors are the same model}

SHIMANO DEORE XT - CENTER LOCK - Disc Brake Rotor - ICE TECHNOLOGIES FREEZA - 203/180/160/140 mm

SHIMANO's DEORE XT RT-RT800 compact and lightweight disc brake rotors feature rapid heat dissipation thanks to ICE TECHNOLOGIES FREEZA heat management system. Installing and removing the rotors is quick and easy with SHIMANO's CENTER LOCK design.

• Advanced heat sync design reduces brake fade
• New disc brake rotor construction boosts heat dissipation and reduces fade
• ICE TECHNOLOGIES FREEZA
• Easy disc brake rotor installation with spline mount and lock ring
• CENTER LOCK

SM-BB92-41B Press-Fit Bottom Bracket

_{In this package: SMBB9241B}

DURA-ACE Bottom Bracket - Press Fit - HOLLOWTECH II - 86.5 mm shell width

With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams.

• Bottom bracket with small ball bearings for lightweight
• Advanced seal construction for smoother rotation
• Weight: 65g (SM-BB9000) 54g (SM-BB92-41B)

BT-DN300 Di2 Battery

_{In this package: BTDN3003}

The new DN300 battery features the same waterproof design that Di2 users have loved for generations. Now with 3 ports, it delivers stable power to Shimano's 12-speed road derailleurs and shifters (if a fully wired option is selected).

With the same size as its predecessor, the slim DN300 battery can be housed inside seat posts or frames ensuring a clean aesthetic. Now with 3 ports, the DN300 simplifies wiring to front and rear derailleurs, supplying stable power at all times. The third port is for riders who seek the redundancy of Shimano's 12-speed Di2 wired option.

• Compatible with thinner next generation electric wire SD300 and systems after R9250/R8150 series
• 3 SD300 ports
• Shared fixing method with BT-DN110

EW-SD300-I 700mm / EW-SD300-I 1200mm Di2 Electric Wire

_{In this package: EWSD300IL070}

SHIMANO - E-TUBE - Electric Wire - Internal Routing

Electric Wire SD300 for Internal Routing

• More compact design makes new electric components smaller and lighter
• Will potentially expand the future capabilities of DI2 systems
• For internal routing usage (wire holder included)

EW-EC300 Di2 Charging Cable

_{In this package: EWEC300A}

The new EC300 charging connector is designed specifically for Shimano's 12-speed Di2 road drivetrains. Connected via the rear derailleur, it is also compatible with Shimano power meters.

Charging of the new Shimano 12-speed Di2 road drivetrains is now accomplished with the EC300 charger cord. Attached to the rear derailleur, this new cord 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 charging FC-R9200-P
• 1.5 m cable length