Shimano's Tiagra Rear Derailleur GS (10-speed) is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Model Number: RD-4700-GS - Series: Tiagra - 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)
SRAM's Apex DoubleTap Control Levers allow you to shift from the hoods, drops, and even when sprinting, so you can always select the perfect gear with ease. The single-lever-shifting design allows for faster, smoother shifts while being completely independent of the brake levers, eliminating the possibility of engaging the brakes when you shift. Plus, the ergonomic levers are incredibly light, aero and hide all the cables for an ultra-clean look.
The new Super Record 12x2 Speed Disc Brake groupset is Campagnolo's highest expression of technology and evolution. It is geared towards riders who want to equip their bicycle with the best the market offers in terms of performance and distinctiveness. The need to improve what is already considered the benchmark means every single detail, even the most basic, is attended to. The new Super Record 12x2 Speed Disc Brake groupset is presented on the market with an innovative rear derailleur designed with 3D Embrace technology that enables the chain to maintain the highest level of traction, even on the smallest sprockets. The new front derailleur with its double connector rod system enhances the use of the 24 speeds and takes full advantage of each combination of metric development. It always finds the ideal ratio for every incline. The new Ergopower controls are even more ergonomic due to the unique shape of the levers that allow for even better operation. The new crankset with the two-by-two coupling of the arms is a step forward in stiffness, whilst keeping constant the technologies and advantages characteristic of Super Record. The new sprocket packs contain an extra sprocket and highlight the incredibly technological processing of the larger sprockets enclosed in the two triplet single-piece monolith units. The new 5.2 mm chain maintains the high Campagnolo standards, enhancing the derailings of the new Super Record drivetrain through the alignment of the pins on the external links. Last but not least, the Disc Brake technology developed by Campagnolo for the 2018 product range ensures that the Super Record groupset has the greatest braking force and modulability possible.
New mechanical Ergopower Super Record 12x2 Speed Disc Brake controls: more ergonomic, more precise, more powerful and easier to maintain. Comfort, control, speed, and responsiveness are some of the main features of a bike's controls, helping keep all situations under control. The new mechanical controls for the Ergopower Super Record 12x2 Speed Disc Brake offer an ergonomic, comfortable and safe support and grip thanks to Vari-Cushion technology, essential for those who stay on the saddle for several hours. The controls’ inner workings are a concentration of technology and experience, starting with the “one lever, one action” function, which assigns each lever a single function, helping avoid shifting errors at tired or distracting moments, and then continue with the multiple shifting option which allows up- or downshifting by up to 5 sprockets at a time thanks to the Ultra-Shift mechanism. This function allows you to maintain cadence even in case of sudden changes of incline or rhythm, with speed and ease as useful as it is surprising. Further useful features are the levers’ adjustability, which, thanks to Reach Adjustment, enable a low grip on the brake lever, helping those with smaller hands; and AMS Adjustment, which enables shifting time modulation, using the dedicated levers. The Super Record Disc Brake brake levers are engineered with a double curvature for improved grip and are lightened with two slots that are added to the one dedicated to Reach Adjustment.
The new mechanical Ergopower Super Record 12x2 Speed Rim Brake controls ergonomics, comfort, control, precision. The new mechanical Ergopower Super Record 12x2 Speed Rim Brake controls offer an important new feature: two brake lever positions that allow riders to choose the lever-handlebar distance that is most suited to the size of their hand. It does so whilst keeping braking efficiency constant the new angle of the up-shifting lever that prevents any possible contact with the curve of the handlebar. The position of the lever is adjusted by acting directly on the controls in a simple and safe manner. The Vari-Cushion technology offers ergonomic, comfortable and safe support and grip, ideal for riders who are in the saddle for many hours. The internals of the controls boast a concentration of technologies and experience, starting with the “one lever, one action” feature that assigns one function to each lever in order to prevent shifting errors when tired or distracted. This is followed by the option for multiple shifting that enables upshifting up to 3 sprockets at a time and downshifting up to 5 through the Ultra-Shift mechanism. The new Super Record 12x2 Speed Rim Brake levers introduce a double curvature to improve grip, which is lightened by three slots.
$185.00 - $369.00
Comfort plays a big part in speed—that's why SRAM designed the Force 22 ErgoDynamic Shifters with an ErgoFit textured body and refined hood shape that improve grip and provide a smooth transition to the bar. These 2x11-speed shifters are crafted with carbon and magnesium for an incredibly low weight you'll notice as soon as you wrap your hands around them. Individual reach adjustment of the ErgoBlade brake and shift levers put the controls exactly where you want them. And, with an understated black finish, the Force 22 Shifters are a great match for any machine.
The new mechanical Ergopower 12x2 Speed Record controls take full advantage of the widely respected, proven Campagnolo technologies and have become indispensable for those who are in the saddle for extended periods. One such technology is Vari-Cushion, which offers ergonomic, comfortable and safe support and grip. There is also the “one lever, one action” feature that assigns each lever one function to prevent shifting errors. The Ultra-Shift mechanism enables upshifting up to three sprockets at a time and downshifting a full five. Furthermore, the new mechanical Ergopower 12x2 Record controls offer lever adjustability that utilities Reach Adjustment to move the brake lever closer to the low grip, thus adapting to the different hand sizes. AMS Adjustment allows modulating the moment of shift engagement through the use of specific levers. The carbon fiber brake levers feature a unidirectional disposition of the fiber to ensure they match seamlessly with the other components of the groupset.
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