The Shimano FC-RS520 105 Double 12-Speed Chainset is a 2-piece crank that uses an outboard, 24 mm bottom bracket and features 2x12 speed 50-34T chainrings. It uses a 4-arm construction and is compatible with modern disc brake road frames. The chainring teeth have been developed to work in conjunction with Hyperglide plus 12-speed chains for increased contact to provide greater efficiency and improved power transfer.Lightweight 12-speed 2-piece design chainsetInnovative forged and anodised aluminium crank arms for minimum flexThe chainring teeth have been developed to work in conjunction with Hyperglide plus 12-speed chains for increased contact to provide greater efficiency and improved power transfer2-piece design bottom bracket bearings to be spaced wider apart, enabling the use of larger bearings and an increased axle diameterCan be used with Shimano external or press-fit bottom bracketsThe system allows for easier installation, adjustment, and maintenanceLightweight anodised aluminium chainrings for smooth and precise shifting
Shimano Di2 electronic shifting lets you change from the big to small chainrings, or vice versa, whenever you like while minimising the risk of a dropped chain. Similarly, you can perform rear shifts without the need to trim the front derailleur to avoid chain rub. Full- and semi-synchronized shifting functions can be selected using the E-TUBE app. With digitally accurate electronic shifts and coordinated communication between shifters and derailleurs, the new Shimano 105 front derailleur offers the best shifting you've ever experienced.Great value high performance 105 double Di2 front derailleurThe Di2 front derailleur's operation is pioneering, smooth shifting is guaranteed thanks to wireless communication with the gear levers. What's more, shifting the rear derailleur automatically trims the front derailleurFull 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 ratioThe removal of traditional mechanical cables in favour of electrical wires that connect to the battery not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shiftsWireless connection to the shiftersThe front derailleur also trims automatically; the cage moves in response to the position of the rear derailleur on the cassette to ensure no chain rub and a quiet unobtrusive ride, enabling you to concentrate on the road aheadDesigned to work with the wider gear pitch spacing Shimano chainset without sacrificing shifting performance on bikes with 135 / 142 mm O.L.D.Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available12-speed E-tube SD300 wire compatible
The new Shimano 105 shift/brake lever features Di2 electronic shifting for the first time, bringing precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics.Great value 105 Wireless hydraulic 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 provides excellent stopping powerHydraulic 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
The new Shimano 105 shift/brake lever features Di2 electronic shifting for the first time, bringing precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics.Great value 105 Wireless hydraulic 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 provides excellent stopping powerHydraulic 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
Although Rival sits below Force in the SRAM line, it benefits from the same technology, which in turn has trickled down from SRAM's top-of-the-line Red group. This includes a move to 11-speed technology. so you'll have 2 additional gears. Probably the main feature that you will feel immediately is the ErgoFit textured body. The redesigned body is shaped to better contour the shifter to the bar transition and is very much textured to add grip, with a better finger wrap around. The grip is increased and the comfort is improved even further.The aluminium lever blade is extended a little to make the reach easier from the drops, and both the gear and brake levers are individually reach adjustable to get that perfect tailored fit. Zero Loss shifting is probably one reason that Red is used to so much success in the Pro Peloton; it means there is no lever movement before engagement - move the shifter and the shifting immediately engages.NB: Compatible with cable brakes - not suitable for hydraulic brakes
The new Force 22 crankset delivers an upgrade in performance by utilizing unidirectional carbon in the crank arm matched to a forged alloy spider. And, like RED, the hidden bolt pattern makes better use of carbon fiber to further improve stiffness and shed weight. The stunning X-GlideR chainrings are optimized for use with the YAW Technology in the front derailleur, delivering seamless, flawless performance. The chainrings are designed for an optimized shifting performance with the Yaw front derailleur. The stiffer rings feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. Chain Compatibility: 11-speedChainring Sets: 53/39TGXP Cups Not Included
The new Force 22 crankset delivers an upgrade in performance by utilizing unidirectional carbon in the crank arm matched to a forged alloy spider. And, like RED, the hidden bolt pattern makes better use of carbon fiber to further improve stiffness and shed weight. The stunning X-GlideR chainrings are optimized for use with the YAW Technology in the front derailleur, delivering seamless, flawless performance. The chainrings are designed for an optimized shifting performance with the Yaw front derailleur. The stiffer rings feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. Chain Compatibility: 11-speedChainring Sets: 53/39TGXP Cups Not Included
The new Force 22 crankset delivers an upgrade in performance by utilizing unidirectional carbon in the crank arm matched to a forged alloy spider. And, like RED, the hidden bolt pattern makes better use of carbon fiber to further improve stiffness and shed weight. The stunning X-GlideR chainrings are optimized for use with the YAW Technology in the front derailleur, delivering seamless, flawless performance. The chainrings are designed for an optimized shifting performance with the Yaw front derailleur. The stiffer rings feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. Chain Compatibility: 11-speedChainring Sets: 53/39TGXP Cups Not Included
Slotting in just below the excellent Force groupset is the updated Rival group which now offers 22 gears, but unlike the Force group it is constructed from aluminium to help keep the price down. Featuring super-stiff, 5mm 7075-T6 CNC-machined aluminum chainrings, the crank utilizes the same X-Glide R precision-shifting technology pioneered on SRAM's revolutionary XX mountain groupset. Shifting is not just smooth, it's lightning-fast, with no "shift lag" as you wait for the chain to connect with the ramp pins on upshifts. The aluminum arms join a machined alloy spider, creating a tremendously stiff package that doesn't weigh all that much more than its carbon equivalents. The Rival 22 crankset, like all SRAM 22-speed drivetrain cranks, is designed to work with any of the company's Yaw front derailleurs, which rotates the cage as it shifts, improving shifting precision and eliminating the need for trimming to avoid chain contact with the cage's rear edges. The crankset, chain, and front derailleur are designed to work in unison, and when properly configured, it's one of the finest drivetrains at any price point.Chainring Sets: 52/36TGXP Cups Not Included
Although Rival sits below Force in the SRAM line, it benefits from the same technology, which in turn has trickled down from SRAM's top-of-the-line Red group. This includes a move to 11-speed technology. so you'll have 2 additional gears. Probably the main feature that you will feel immediately is the ErgoFit textured body. The redesigned body is shaped to better contour the shifter to the bar transition and is very much textured to add grip, with a better finger wrap around. The grip is increased and the comfort is improved even further.The aluminium lever blade is extended a little to make the reach easier from the drops, and both the gear and brake levers are individually reach adjustable to get that perfect tailored fit. Zero Loss shifting is probably one reason that Red is used to so much success in the Pro Peloton; it means there is no lever movement before engagement - move the shifter and the shifting immediately engages.NB: Compatible with cable brakes - not suitable for hydraulic brakes
The new Force 22 crankset delivers an upgrade in performance by utilizing unidirectional carbon in the crank arm matched to a forged alloy spider. And, like RED, the hidden bolt pattern makes better use of carbon fiber to further improve stiffness and shed weight.The stunning X-GlideR chainrings are optimized for use with the YAW Technology in the front derailleur, delivering seamless, flawless performance. The chainrings are designed for an optimized shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminum CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. Chainrings, chain, and front derailleur are designed as a single integrated system for optimized performance.Chain Compatibility: 11-speedChainring Sets: 53/39TBB30 Bearings Not Included
Slotting in just below the excellent Force groupset is the updated Rival group which now offers 22 gears, but unlike the Force group it is constructed from aluminium to help keep the price down. Featuring super-stiff, 5mm 7075-T6 CNC-machined aluminum chainrings, the crank utilizes the same X-Glide R precision-shifting technology pioneered on SRAM's revolutionary XX mountain groupset. Shifting is not just smooth, it's lightning-fast, with no "shift lag" as you wait for the chain to connect with the ramp pins on upshifts. The aluminum arms join a machined alloy spider, creating a tremendously stiff package that doesn't weigh all that much more than its carbon equivalents. The Rival 22 crankset, like all SRAM 22-speed drivetrain cranks, is designed to work with any of the company's Yaw front derailleurs, which rotates the cage as it shifts, improving shifting precision and eliminating the need for trimming to avoid chain contact with the cage's rear edges. The crankset, chain, and front derailleur are designed to work in unison, and when properly configured, it's one of the finest drivetrains at any price point.Chainring Sets: 52/36TGXP Cups Not Included