The shifter is where your intent becomes drivetrain movement — and the technology varies more here than almost anywhere else in the component stack. Electronic shifting systems like Shimano Di2, SRAM AXS, and Campagnolo EPS deliver precise, repeatable actuation on every shift without cable tension variables. Wireless systems from Campagnolo’s WRL platform and Leap eliminate housing runs entirely, which matters on bikes where internal routing is difficult or aesthetics are a priority. Mechanical systems remain the field-serviceable, no-battery option — and at the entry and mid-range, they cover the needs of most riders just as well as electronics do at a fraction of the cost.
RA Cycles carries shifters from Shimano (Dura-Ace Di2, Ultegra Di2, GRX, and 105), SRAM (Red AXS, Force AXS, Rival AXS, and Eagle for mountain), Campagnolo (Super Record WRL, EPS, and Record), Leap, microSHIFT, and Profile Design. Most road shifters in this collection are integrated brake/shift units — one lever for both functions — while the mountain and TT options split those into separate controls. If you’re building a new bike or upgrading from a lower-tier groupset, compatibility with your derailleur and cassette is the first thing to check.
Browse related categories: complete groupsets, derailleurs, electronic components, and brakes and brake levers.