Joe Friel recomends fixed winter training in the Cyclists Training Bible. He reckons it develops three key things over winter, aerobic system, strength (staying seated while pushing a gear bigger than you normally would up hills) and speed (spinning like a loon down hills).
Joe Friel recomends fixed winter training in the Cyclists Training Bible. He reckons it develops three key things over winter, aerobic system, strength (staying seated while pushing a gear bigger than you normally would up hills) and speed (spinning like a loon down hills).