For CycloWorld, I wrote a series of articles on strength training. Not only with weights, but also a nice set of core exercises, plyometrics and mobility. You can find the series linked below here:
Zes core oefeningen voor fietsers | cycloworld.cc
Krachttraining met gewichten – deel 1 | cycloworld.cc
Krachttraining met gewichten – deel 2 | cycloworld.cc



