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.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 years
Shimano GRX with its gravel specific ergonomics optimized gearing options rugged reliability and quiet and stable drivetrain sets itself apart from the rest of the component world. GRX hydraulic disc brake 11-speed Di2 STI's give you control modulation and power with minimal effort in all riding conditions Higher brake lever axis and curved brake leverimproves grip and confidence on choppy surfaces and descents Raised hood head prevents hand misalignment and slippage Recessed finger notch prevents upward slipping Anti-slip texture and brake lever coating gives higher braking efficiency and reduces fatigue on long rides 11-speed E-tube Di2 compatible Levers are supplied without electrical cables as these need to be ordered separately to suit Kit contains bled left hand ST-RX815 STI BR-RX810 flat mount rear brake calliper with pads hose and mineral oil (without rotor or adapter)
All set for your next trekking adventure, this 10 speed rear derailleur is built for long days on your bike thanks to its improved chain stability and smooth performance. Benefitting from Shimano's Shadow RD technology, this model is perfect for the steep stuff, the fast stuff and the fun rides with its super low profile design. Thanks to its low profile and single-tension construction, this rear mech won't hit your chain stay when putting the power down through rough riding conditions. As a result, you'll enjoy its incredibly smooth and silent running performance wherever your next trekking adventure leads you. Technologies: Shimano Shadow RD: The mechanism rear derailleur, SHIMANO SHADOW RD, is intended for more aggressive riding. Its super low profile design carries many benefits. Because of its low profile and single tension construction, the derailleur does not hit the chain stay in rough riding conditions. The result is smooth and silent performance. HG-X Chain Compatible: Further evolution of shifting performance. A directional mountain bike specific 10-speed HG-X chain means smoother shifts, lighter weight and greater overall performance. HG-X directional chain: Outer side is optimized for front shifting and inner side is optimized for rear shifting. Manufacturer's Part Number: RDT6000SGSL Black Long Cage
The slick performing and durable Shimano Tiagra 4700 rear derailleur delivers high-performance gear changes and operation all at a low price. *Please note, due to a specific pull ratio, this derailleur is only compatible with Tiagra 4700 shifters.
Sporting an updated grey anodised finish, the Shimano Tiagra 4700 rear derailleur carries the chain across the sprockets with ease delivering high-performance gear changes and operation all at a low price. This short cage version is compatible with 10 Speed road cassettes with up to a 28 tooth low gear sprocket.
Shimano Tiagra 4700 10 Speed Rear DerailleurSporting the new grey anodised finish, the Shimano Tiagra 4700 10 Speed Rear Derailleur (GS) carries the chain across the sprockets with ease. It delivers high-performance gear changes and operation all at a low price.Features: Speed: 10-Speed Wide link design increases rigidity and service life Advanced light action for low-friction shifting up or down the block Alloy body's and outer link leads to lower weight without compromising strength and durability 11 tooth pulleys for reduced pulley wear and chain noise Two fluorine-coated link pin bushings for low-friction performance Low Sprocket Maximum: Short Cage (SS): 28T(Front double), 25T Front triple); Medium Cage (GS): 34T (Front double) 32T (Front triple) Low Spocket Minimum: 28T (Front double) 25T (Front triple) Maximum Front Difference: 16T (Front double) 20T (Front triple) Total Capacity: Short Cage (SS): 33T; Medium Cage (GS): 41TA 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Shimano Tiagra 4700 10 Speed Rear DerailleurSporting the new grey anodised finish, the Shimano Tiagra 4700 10 Speed Rear Derailleur (GS) carries the chain across the sprockets with ease. It delivers high-performance gear changes and operation all at a low price.Features: Speed: 10-Speed Wide link design increases rigidity and service life Advanced light action for low-friction shifting up or down the block Alloy body's and outer link leads to lower weight without compromising strength and durability 11 tooth pulleys for reduced pulley wear and chain noise Two fluorine-coated link pin bushings for low-friction performance Low Sprocket Maximum: Short Cage (SS): 28T(Front double), 25T Front triple); Medium Cage (GS): 34T (Front double) 32T (Front triple) Low Spocket Minimum: 28T (Front double) 25T (Front triple) Maximum Front Difference: 16T (Front double) 20T (Front triple) Total Capacity: Short Cage (SS): 33T; Medium Cage (GS): 41TA 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
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.
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.
Sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with cascaded technology from DURA-ACE. Features: Consistently smooth and light shifting operation Wider, Rider Tuned 10-speed gearing options Short cage derailleur Robust adjustability Cassette Compatibility - 10 Maximum Sprocket - Low sprocket: 34T / Top sprocket:12T (front double) / 20T Low sprocket: 32T / Top sprocket:12T(front triple) Minimum Sprocket - Low sprocket: 28T / Top sprocket:11T (front double) / 20T Low sprocket: 25T / Top sprocket:11T(front triple) Maximum Front Difference - 16T (front double) / 20T (front triple) Total Capacity - 39T (front double) / 41T (front triple)
Sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with cascaded technology from DURA-ACE. Features: Consistently smooth and light shifting operation Wider, Rider Tuned 10-speed gearing options Short cage derailleur Robust adjustability Cassette Compatibility - 10 Maximum Sprocket - Low sprocket: 34T / Top sprocket:12T (front double) / 20T Low sprocket: 32T / Top sprocket:12T(front triple) Minimum Sprocket - Low sprocket: 28T / Top sprocket:11T (front double) / 20T Low sprocket: 25T / Top sprocket:11T(front triple) Maximum Front Difference - 16T (front double) / 20T (front triple) Total Capacity - 39T (front double) / 41T (front triple)
Shimano Tiagra 4700 Brake CaliperThe Shimano Tiagra 4700 Brake Caliper offers exceptional braking performance and features the Super SLR dual pivot design. Finished off in the Shimano anodised paintwork, the rear brake is lightweight, durable and has toe-in adjustable brake shoes.Features: Drop: 49mm Good value Tiagra caliper brake Super SLR dual pivot design keeps operating friction to a minimum, improving braking performance Enhanced brake arch proportions give a quicker linear response and increased power Lightweight aluminium calliper design with tough anodised finish Toe-in adjustable brake shoes for perfect pad alignment Durable quick release for fast and easy wheel removal Sold individually Rear use onlyA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.