The right-side/rear shifter is 11-Speed, index-only, left-side/front is 2-Speed.
All bar-end road shifters produced after Nov 2008 have an I.D. spec fit range of 19-22mm.
Lightweight Trek Lexa SLX road bike with a 47cm Alpha 200 aluminum frame and carbon fork. Women's Specific Design for comfort and performance. Great for fitness, commuting, and long rides. Smooth, fast, and reliable.