Grading in cycling articles, some more ideas perhaps ... have to actively work to move up grades ... although it appears in MC racing people less interested in kicking up a grade to learn ... interested in why is that ... so much faster you don't learn, just get left behind?

http://cyclingtips.com.au/2011/02/au...rading-system/
http://www.cyclingtipsblog.com/2009/...rading-system/