Key Features:High performance Ultegra Wireless hydraulic Servo Wave disc brake Di2 STI's give you control, modulation and power with minimal effort in all riding conditions,Wireless connectivity to the front and rear derailleurs for effortless trouble free gear shifts,With 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 gear,Full 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 ratio,Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold,Drop bar STI with shift buttons located in a near identical place to the positions you'd assume shifting using a mechanical Shimano STI,Hydraulic brake lever with Servo Wave provides excellent stopping power with less effort especially from the hood position,Hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear,Finely tuneable reach adjusters for the levers enable custom fitment for all hands,Levers use CR1632 batteries which last for approximately 1.5-2 years,Kit contains bled ST-R8170 STI, BR-R8170 flat mount brake callipers with pads, hoses and mineral oil (without rotors or adapters).
Key Features:CS-M7100 SLX 12-speed cassette.
Specification: Taking many features from pro-level equipment, this 2-piece cap-free design Tiagra chainset offers unbeatable performance,2-piece cap-free design is quick and easy to install whilst being lighter and stiffer than a traditional crank/ bottom bracket assembly,SG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting,Designed to work with HollowTech II type bottom bracket cups,Compatible with 10-speed HG-X chains,Anodized aluminium crank arms,Lightweight aluminium chainrings,4 arm, 110 mm bolt circle diameter.
ST-EF500 EZ fire plus STI set,Ergonomic shift and brake lever shape in a lightweight design ,For use with V-brakes ,Easy to read Optical Gear Display ,2-finger design brake lever ,Set for 8 or 7-speed triple set up ,Comes complete with gear and brake cables.
2-piece design double-ring 9-speed chainset from the excellent value Sora rangeSG-X chainrings feature strategically placed chain pick-up pins and tooth profiles to ensure fast and positive shifting,2-piece design allows the bottom bracket bearings to be spaced wider apart (outboard the frame) or press fit 86.5mm enabling the use of larger bearings and an increased axle diameter,There is also the benefit of easier installation, adjustment and maintenance,Compatible with Hyperglide (HG) chains,Aluminium crank arms,Aluminium outer chainring with hard-wearing steel inner chainring,Compatible with 9-speed drivetrains.
Key Features:Lightweight 2-piece design 11-speed chainset,2-piece design forged and anodised aluminium crank arms keep weight low,The chainring teeth have been developed to work in conjunction with HG-X 11-speed chains for increased contact to provide greater efficiency and improved power transfer,Bottom bracket bearings are spaced wide apart, enabling the use of larger bearings and an increased axle diameter,Chainring spacing has been optimized for use with 135 / 142 mm rear axle spacing and short chainstays,Can be used with Shimano external or press-fit bottom brackets,The system allows for easier installation, adjustment, and maintenance,Lightweight anodised SG-X aluminium chainrings for smooth and precise shifting.
Key Features:Great value Deore HollowTech II design chainset with chainguard for 10-speed Dyna-Sys MTB HG-X transmissions,The HollowTech II chainset features hollow forged crank arms which are both lightweight and rigid whilst being incredibly strong and durable,HollowTech II integrated bottom bracket design uses a wide bearing placement with a large axle diameter for increased stiffness, efficiency and added durability,SG-X chainring with patented spike pins give smooth and fast gear shifts under load,We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing and fit,96 / 64 mm bolt circle diameter,10-speed Dyna-Sys compatible.
Deore M5100 11-Speed cassette featuring light weight minimal design sprocket carrierKey Features:Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load,Close ratio gearing allows a more efficient use of energy through finer cadence control,Sprockets are cut away and drilled to reduce weight without reducing rigidity,For 11-speed HG-EV MTB chains.
Key Features:FC-M7100 SLX Crankset without ring,12-speed,52 mm chainline.
The new Shimano 105 R7100 Di2 Groupset is ideal for those looking to upgrade from mechanical to an electronic drivetrain. Enjoy the benefits of electronic shifting with a high-level performance to price ratio!The groupset bundle includes all the necessary parts and components to upgrade your ride, including:Shimano 105 R7170 Di2 Hydraulic 12 Speed Shifters/Brake Levers,Shimano 105 R7100 12 Speed Double Chainset,Shimano 105 R7150 Di2 Front Derailleur,Shimano 105 R7150 Di2 Rear Derailleur,Shimano 105 R7100 11-34T 12 Speed Cassette,Shimano 105 Disc Brake Callipers and SMRT70 Rotors,Shimano CN-M7100 SLX/Road Chain with Quick Link,Shimano EW-EC300 1700mm Charging Cable,Shimano EW-SD300 E-Tube 900mm Di2 Electric Wire and Shimano EW-SD300 E-Tube 1200mm Di2 Electric Wire,Shimano E-Tube SEIS 7.4V Lithium-ion Di2 Battery.Hydraulic Disc Brake DUAL CONTROL LEVER (2x12-speed)Refined with pro feedback, the all-new dual control wireless lever brings more control and unparalleled ergonomics including a raised hood peak and a smoother, lighter lever action. Its reach adjust mechanism means the distance from the handlebar grip to the lever can be adjusted to suit any hand size or riding style. Plus the braking area has been expanded to offer more control while braking.HOLLOWTECH II Crankset (2x12-speed 50-34T)HOLLOWTECH II structure cuts weights yet maintains stiffness, strength and performance. What’s more, the crank arm length starts at 160mm so smaller riders can benefit from SHIMANO’s legendary shifting.Rear Derailleur (12-speed)Experience faster, more accurate rear shifting with wireless Di2. A more compact design integrates the wireless unit, charging port and function button. You can check the battery level and Bluetooth/ANT pairing success with your cycle computer/smartphone/tablet. Plus select your preferred shift mode and view adjustment mode information (if you wish to tweak or tune your rear derailleur).Front Derailleur (2x12-speed)The new Di2 wireless platform brings quick and smooth front shifts. And a choice of manual shifts or synchronised shifting assist modes – SEMI-SYNCHRO or FULL-SYNCHRO – which is a bit like having your own personal assistant! In SEMI-SYNCHRO mode, the rear derailleur automatically adjusts to reduce big jumps in gear ratios allowing you to maintain your pace and rhythm. In FULL-SYNCHRO mode, the front and rear derailleurs work in perfect harmony to get you in the right gear at the right time – so you never have to worry about it. Slick communications with the rear derailleur combined with programmed chain guide control minimises chain drop. And top gear teeth capacity is 50-52T. It’s up to you how little or often you think about gear ratios!Cassette Sprocket (11-34T/12-speed)The refined 12-step gear combination ensures excellent efficiency so none of your effort is wasted. You’ll experience faster, smoother shifts under maximum torque (pedalling force) and shifts so smooth you’ll barely notice them – whether biking uphill, downhill or rolling on the flats.Flat Mount - Hydraulic Disc Brake CalliperThe all-new hydraulic disc brake calliper enjoys 10% wider pad clearance than mechanical 105 – meaning less brake rub so less noise. It also brings a simpler, maintenance-friendly brake fluid bleeding process.
The HollowTech II 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data,+/-2% accuracy of strain gauge measured power,Bluetooth and ANT+ with wireless firmware update and data acquisition system,Easily rechargeable integrated battery with fully waterproof reliable electric system,HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load,The chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer,Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight,Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm,A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines,HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency,HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately).
Great value tough and stylish Mega-9 Alivio chainset offering slick hyperdrive shifting performance for off road enthusiastsThe 2-piece design chainset features an external bottom bracket system which is a lightweight rigid design that is incredibly strong and durableLightweight and rigid steel bottom bracket axleHyperdrive SG-X chainrings for fast and smooth gear shiftsReplaceable chainrings4-arm chainring, 104 / 64 mm BCD9-speed compatible chainringsComes with chainguard, chaincase compatible.