The Shimano BR-MT420/M4100 features consistent braking performance and reliable stopping power in all conditions. The 4-piston caliper instils greater downhill confidence and control.Deore BL-M4100/BR-MT420 fully bled hydraulic disc brake with easily adaptable post-style calliperRear fully bled lever and calliper comes without adapters or rotors giving you the freedom to customise to suite your bikeCan be used with the revolutionary Centre Lock rotor system which fits easily to Centre Lock compatible hubs; alternatively, conventional 6-bolt rotors can be used all in a choice of 160 mm, 180 mm and 203 mmOpposed 4-piston design reduces leading effect and optimal pad wear increases braking controlTwo-piece calliper design is both ridged and durableHinged clamp designErgonomic alloy brake lever for optimum comfort and performanceMineral oil brake fluid is non-corrosive and less hazardous than conventional hydraulic brake fluidShim-less mounting system allows for quick installation and setting upI-spec-EV compatibleBrake lever features reach adjustment for perfect custom fitThe kit also contains resin pads (can be used with sintered and Ice Tech pads), plus spare olives and insert should you wish to adjust the length of the cuttable hosesHose length 1700mmBrakes are set up UK-style with front brake on the right, rear on the left
Shimano's 4-piston Saint, Zee and XT disc brakes have been renowned for their phenomenal stopping power for years and now that incredible power comes to a new, lower price thanks to the MT501/MT520 Brakes.Great value 4-piston disc brakes provide incredible stopping powerStiff and lightweight 2-piece caliper with opposed pistons in two diameters to reduce pad wear and increases controlErgonomic alloy brake lever with hinged clamp is easy to install and is extremely comfortableCompatible with I-Spec II gear shifters for neat integration of handlebar controlsIncludes resin brake pads, spare olives and inserts so you can cut hoses to correct length rear hose length: 1700mm, front hose length: 1000mmBrakes are set up UK-style with front brake on the right, rear on the leftThe MT501/MT520's 4-piston caliper is what sets it apart from Shimano's other budget brakes. Using 4 opposed pistons with 2 diferent diameters reduces pad wear and increases control. The calipers 2-piece construction is also lightweight and incredibly stiff, so you can be sure that none of the power generated is going to waste; these are designed to slow you down in a hurry!Power is nothing without control and thankfully the alloy brake lever uses Shimano's tried and tested design that is incredibly comfortable thanks to its ergonomic design that is perfect for one-finger braking. The hinged clamp also makes installation incredibly easy; no need to remove grips or other controls! The lever also features a tooled reach adjuster, so you can be sure to find a setup that works for you, no matter how big or small your hands are. The lever is compatible with Shimano's I-Specc II gear shifters, so you can neatly integrate your brakes and gears into one unit for a clean, less cluttered look.Ease of use is what Shimano brakes are known for and the MT501/MT520 is no different. Mineral oil is non-corrosive and less hazardous than DOT fluid found in other brakes and won't make a mess of your frame, while the shim-less mounting system makes it easy to get the brakes running perfectly with no brake rub. Coming disassembled but fully bled, all you need to do is remove the rubber bungs, connect the lever, caliper and hose (1000mm Front, 1700mm Rear) and you are ready to roll! Rotor and adaptors sold separately. The brakes also include spare olives and inserts should you need to cut down the stock hose length. Great value, reliable and incredibly powerful, if you want as much stopping power as you could ever need without breaking the bank, you should invest in a set of Shimano MT501/MT520 brakes!
Featuring trickle down technology from Ultegra and the range topping Dura-Ace the new 105 R7020 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 chamfered hood tops for improved gripReliable Performance In All ConditionsWith the addition of powerful hydraulic disc brakes to the 105 range, Shimano finally has a more budget-orientated option to match the rest of the 105 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 chamfered 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.
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.
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