Bicycle and rider drag coefficients for all
How, without special equipment or a wind tunnel, you can perform your own drag tests. A guest feature kindly provided by John Lafford of Arrow Cycles.

Rolling resistance test results
A comprehensive table of test results on tyres suitable for use on recumbent and small-wheel cycles. The data may be viewed sorted in three different ways. A guest feature kindly provided by John Lafford.

Small wheels for adult cycles
Full text of a comprehensive article written at the request of the US journal Cycling Science.