These are six generation of BMW RT motorcycles from 1996 to 2015.
<ul><li><a href="//commons.wikimedia.org/wiki/File:BMW_2010_R1200RT_Special.jpg" title="File:BMW 2010 R1200RT Special.jpg">File:BMW 2010 R1200RT Special.jpg</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:Hans45~commonswiki&amp;action=edit&amp;redlink=1" class="new" title="User:Hans45~commonswiki (page does not exist)">Hans45~commonswiki</a> / *Remaining photos: <a href="https://en.wikipedia.org/wiki/User:Jeffrey_M_Dean" class="extiw" title="en:User:Jeffrey M Dean">Jeffrey M Dean</a></li></ul>
CC BY-SA 3.0
<ul><li>bottom left photo: This file was derived from: <a href="//commons.wikimedia.org/wiki/File:BMW_2010_R1200RT_Special.jpg" title="File:BMW 2010 R1200RT Special.jpg">BMW 2010 R1200RT Special.jpg</a><br></li>
<li>Remaining photos: <span class="int-own-work" lang="">Own work by the original uploader</span></li></ul>