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Now you can run a wide-ranging cassette with wireless electronic shifting

SRAM is now offering its Red eTap wireless electronic groupset with a new WiFLi rear derailleur that’s compatible with wide-ranging cassettes that feature a 30-tooth or even a 32-tooth sprocket.

When SRAM launched Red eTap a year ago, it was compatible with cassettes with a maximum sprocket size of 28-tooth. 

SRAM RED eTap WiFLi RD.jpg

The advantage of the WiFLi option – WiFLi is short for ‘wider, faster, lighter’ – is obviously that you can run lower gears to take the pain out of tough climbs.

The new derailleur is designed to work with SRAM PowerGlide and PowerdomeX cassettes, and the minimum cassette size that you can use is 11-26T.

SRAM XG1190 11-32 Cassette.jpg

The SRAM Red eTap WiFLi rear derailleur, compatible with existing SRAM Red eTap Shift-Brake Controls, is said to weigh 243g with the battery attached. That’s compares with 239g for the short cage version.  

It will retail at £485 when it becomes available in December.

If you already have SRAM Red eTap and want to switch over to a WiFLi system, the kit you need (SRAM Red eTap WiFLi rear derailleur and battery, SRAM XG-1190 11-32 cassette, SRAM Red 22 chain) will be £745.

SRAM already offers WiFLi options for all of its other road groupsets so the introduction of this new Red eTap rear derailleur was wholly expected.

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Picture and main picture above: Victor Lucas

SRAM announced the introduction of hydraulic disc brakes to the Red eTap groupset six weeks ago, so it’s now possible to fit a bike with wireless electronic shifting, an 11-32-tooth cassette, and hydro braking. 

For more info go to www.sram.com

Mat has worked for loads of bike magazines over 20+ years, and been editor of 220 Triathlon and Cycling Plus. He's been road.cc technical editor for eight years, testing bikes, fettling the latest kit, and trying out the most up-to-the-minute clothing. We send him off around the world to get all the news from launches and shows too. He has won his category in Ironman UK 70.3 and finished on the podium in both marathons he has run. Mat is a Cambridge graduate who did a post-grad in magazine journalism, and he is a past winner of the Cycling Media Award for Specialist Online Writer.