Built around SRAM’s DoubleTap® technology, SRAM Rival controls offer a performance advantage that other competition level shifters can’t touch. With Zero Loss shifting, front gears are engaged immediately. And, like SRAM RED®, SRAM Rival has its front trim position on the big ring. Added cable routing options allows for both brake and shifter cables to run along either side of the handlebar. SRAM Rival also incorporates the popular Reach Adjust feature, which SRAM invented, and allows riders to customize their brake and shift levers. Now every rider has a choice on positioning their DoubleTap® levers.
DoubleTap® makes changing gears easier and faster, eliminating the cumbersome and awkward engagement associated with two-lever systems. DoubleTap handles up- and downshifts in one short, sweeping motion, with minimal effort and maximum comfort no matter where you are on the bars.
DoubleTap® uses two pawls, one for holding the ratchet wheel, and one for transporting it up and down through the gear change. The pawls are arranged in a way so that they can leapfrog each other depending on how far, and with how much pressure, you push the shift lever.
With short, rapid taps the transport pawl (04) moves the ratchet wheel (02) up through the shifting range. Downshifting comes via a longer sweep of the lever (in the same inward direction you upshift, but to an ergonomically maximized 15° angle) with the holding pawl (03) and the transport pawl leapfrogging each other quickly and smoothly.
Location, Location, Location: DoubleTap’s one-motion unidirectional levers (05) work flawlessly no matter what position you’re shifting from. Its double-articulated design (01), which is completely separate from the brake pivot, is easily engaged from the hoods or the drops.
Unlike all other forward controls, DoubleTap® also lets you pull the shift lever in against the bars so you can upshift while sprinting or attacking without giving up a firm grip. On DoubleTap® controls, the brake and shift levers are completely independent, each operating with their own pivot points. This not only allows for the multiposition functionality, it also eliminates the risk of engaging brakes or shifters unintentionally—an unfortunate side effect of other shift/brake lever designs.
When we launched our road technology from scratch we reapplied our MTB proven SRAM 1:1 actuation ratio (shifter cable travel : derailleur movement) for 10 speed rear shifting. EA helps to simplify/stabilize the uneasy act of balancing rear derailleur hanger design, tight cog spacing and exact cable tension. The result: the easiest index shifting system to set up and it stays that way.
ZeroLoss simply means, well, zero loss—when you push on the lever, for an upshift or down shift, the cable is engaged instantly—zero loss of movement. There is no middle-ground where you're waiting for the shift to come. Gear changes are instant and precise.
|technology highlight(s)||DoubleTap® with ZeroLoss™ on the front|
|material||Carbon brake lever, Aluminum shift lever|
|TECHNOLOGY HIGHLIGHT(S)||DoubleTap® with ZeroLoss™ on the front|
|Material||Carbon brake lever, Aluminum shift lever|