http://www.thecyclistsite.com/news/2010/1/19/hints-on-2011-xtr-and-sram-xo-pics.html
http://www.bikeradar.com/news/article/first-look-new-shimano-105-road-groupset-24923 http://www.procyclingtalk.com/first-look-new-sram-apex-group/
Nu ko, beidzot alivio ar 9 ātrumiem:
http://news.bikeworld.pl/rower/artykul/5837/Shimano.2011.i.zupelnie.nowe.Alivio/