Featuring trickle down technology from the range topping Dura-Ace, the Ultegra R8025 STI shifters & Hydraulic Disc Calipers provide superbly crisp, precise and ultra-smooth shifting and powerful, consistent braking performance.Suitable for 2x11 Shimano drivetrainsPowerful hydraulic disc calipers provide excellent braking performance (Rotors & mounts sold separately)New chamferred hood tops for improved gripReliable performance in all conditionsShorter reach levers for riders with smaller handsWith the addition of powerful hydraulic disc brakes to the Ultegra range, the flat mount calipers house dual pistons that provide excellent stopping power in all conditions. Designed for 11-speed, double chainring systems, these shifters boast vastly improved ergonomics for more intuitive use, and newly chamferred tops to assist with grip in wet conditions. The lever features 15mm of reach adjustment so no matter your physiological requirements you will be able to tailor them to suit. The OPTISLICK cable technology features an electronically coated outer layer that assists with shifting efficiency and helps to weatherproof the shifters against corrosion. They also benefit from easier access to the inner cables, making these shifters eminently serviceable and a solid option for a year-round winter bike. The new ergonomic design features a new front-lever curve profile, which provides even faster and more comfortable shifting and brake engagement; it ensures performance is always at 100% and that every gear click and brake-pull feels natural and efficient. With effortless shifting performance, powerful braking and supremely comfortable ergonomics these shifters are the perfect upgrade for any rider.
To the delight of riders and mechanics alike, the new Ultegra BR-R8170 Hydraulic Disc brake delivers enhanced modulation, a quieter brake system and an easier than ever bleed process.High performance Ultegra Wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditionsWireless connectivity to the front and rear derailleurs for effortless trouble free gear shiftsWith Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gearFull and semi synchronized shifting programable, Synchro shift compatible meaning a single shifter can control both front and rear shifting which can be fully custom tuned to your riding preferences. Semi synchronized shifting means when a front shift is made the rear mech will automatically correct to the appropriate ratioSimply pressing tactile buttons allows effortless and comfortable shifting even when your hands are coldDrop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STIHydraulic brake lever with Servo Wave provides excellent stopping power with less effort especially from the hood positionHydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wearFinely tuneable reach adjusters for the levers enable custom fitment for all handsLevers use CR1632 batteries which last for approximately 1.5-2 yearsKit contains bled ST-R8170 STI, BR-R8170 flat mount brake callipers with pads, hoses and mineral oil (without rotors or adapters)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. The redesigned Ultegra ST-R8170 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.
Like all components in the new Tiagra range the rear derailleurs have also seen some minor changes. The derailleur gets smoothed over a little bit and again add the longer lever of the more expensive groups with the cable bolt moved past the p-knuckle pivot. The alloy body and outer link leads to lower weight without compromising strength and durability and two fluorine-coated link pin bushings offer low-friction performance. The light shift action is complemented by large 11 tooth pulleys which reduce pulley wear and chain noise. Maximum Sprocket: 30T (Short) 34T (Long)NB: Not compatible with Shimano Tiagra 4600 drivetrains, only compatible with Tiagra 4700 shifters.
The Re-designed 10 speed Shimano 105 rear derailleur takes the basic architecture of the Ultegra and Dura-Ace models and makes it significantly more affordable without sacrificing much performance. The Advanced Wide Link design increases rigidity and shifting performance, which along with the super stiff construction allows fast and accurate changes across the cassette. The super light shift action is complemented by large 11 tooth pulleys which run on high quality bushings to offer reduced noise and extended service life.
The Re-designed 10 speed Shimano 105 rear derailleur takes the basic architecture of the Ultegra and Dura-Ace models and makes it significantly more affordable without sacrificing much performance. The Advanced Wide Link design increases rigidity and shifting performance, which along with the super stiff construction allows fast and accurate changes across the cassette. The super light shift action is complemented by large 11 tooth pulleys which run on high quality bushings to offer reduced noise and extended service life.
Utilising the Shimano Shadow RD+ design, the Shimano Deore M5100 Rear Derailleur delivers consistent MTB shifting performance over rough terrain. The low-profile design avoids damage from rocks whiles Shimano's chain stabilizing technology reduces chain drop and makes for a quiet drivetrain in all gear positions.Deore M5100 Shadow plus 11-speed rear derailleur for dependable shifting performance and durabilityShadow plus features a super low-profile design and optimized slant angle for super light shifting actionShadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shiftingSingle tension spring prevents contact with the chain stay resulting in a silent ride13T pulleys and decreased derailleur tension prevent high chain tension in low gearsDirect cable routing prevents snagging from any trail side hazardsWide alloy links and pivot bodyFluorine-coated link pin bushingsStrong return spring for a positive shifting feelDurable 13T bearing pulleys for low frictionTop normal spring uses the spring to select higher gearsMax low sprocket: 51T (1x 11-speed)40T capacity SGS cage
Bringing Shimano Shadow technology to a new, entry level price-point, the Deore M592 rear mech features a super low profile design and direct cable routing to prevent snagging any trail side hazards. The stronger guide spring ensures crisp and accurate shifting whilst the alloy and steel construction leads to low weight without compromising strength and durability. This versatile rear derailleur is 9-speed compatible and features a top normal spring for use with Rapidfire shifters.
The all-new Shimano Deore M6100 rear derailleurs deliver advanced shifting performance with decreased tension in the low gear position. Larger 13T pulleys increase efficiency and chain management while compatibility with Shimano's new 12-speed cassettes boosts range.Deore M6100 Shadow plus 12-speed rear derailleur for dependable shifting performance and durabilityShadow plus features a super low profile design and optimized slant angle for super light shifting actionShadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shiftingSingle tension spring prevents contact with the chainstay resulting in a silent ride13T pulleys and decreased derailleur tension prevent high chain tension in low gearsDirect cable routing prevents snagging from any trail side hazardsCold forged wide alloy links and pivot bodyFluorine-coated link pin bushingsStrong return spring for a positive shifting feelDurable 13T bearing pulleys for low frictionTop normal spring uses the spring to select higher gearsMax low sprocket: 51T (1x 12-speed)41T capacity SGS cage
The all-new Shimano Deore XT M8100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Fast and precise shifting performance optimized to take on any trailLow-profile designWide range 12-speed drivetrain with low sprocket combination -10-51TDecreased rear derailleur and chain tension in low gearNew bumper added to rear derailleur pulley cageBigger 13T pulleyYou now have the luxury of enjoying the benefits of Shimano s new wide ranging 12-speed drivetrains and this XT derailleur provides fast and precise shifting every time. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range. They have added reinforcement to the pulley cage with a new bumper being added to help absorb all the inevitable bumps and knocks.
If you have been holding out for Shimano to launch their 11 speed groupset then good things have definitely come to those of you who have waited and the XTR M9000 rear derailleur is a sight to behold. Shimano's XTR range has always been a class act and this new 11 speed rear derailleur is no different. The derailleur provides a light action through the shifter which results in a positive and perfectly executed shift as well as a smooth journey throughout the cassette. Featuring the new Shadow design the derailleur uses a slant angle which again lowers shift effort and gives the rider an overall improved shift feel along with better drive stability. The derailleur features Shimano clutch device which keeps the chain nice and tensioned enabling a quieter ride and flawless shifting even through rough and rocky sections.
The new Shimano 105 R7000 Rear Derailleur has been designed to offer exceptional performance on both road and gravel routes. Direct Mount CompatibleShadow Road TechnologyStable Shifting PerformanceWide Gear Range CompatibleWeight: 225gUsing Shimano's Shadow technology, the derailleur maintains chain tension over challenging terrain and offers a silent ride, perfect for the demands of gravel riding and cyclocross racing. The R7000 rear derailleur has two options depending on what size cassette you run. The SS variant is compatible with 25T to 30T cassettes and the GS variant is compatible with a wide gear range, allowing 11-34T cassettes to be run.
Quick and responsive mechanical shifting, the Shimano Ultegra R8000 11-Speed Rear Derailleur works to give you quick, accurate shifts and excellent drivetrain efficiency.The derailleur features a lightweight aluminium pulley cage that has been manufactured to provide you with the integral strength to shift with precision and accuracy whilst under load. With a wide link design that gives quick and accurate shifting, this derailleur benefits from a low, aerodynamic profile that reduces the risk of damage in a crash.Low profile shadow design constructionWide outer link platesLightweight aluminium pulley cageSS Cage: Compatible with 11-25T Up To 11-30TGS Cage: Compatible with 11-28T Up To 11-34TWeight: 200g (SS Type), 210g (GS Type)