The Fortius is an interactive trainer with unlimited capabilities it is equipped with a revolutionary braking system enabling extrahard training sessions to be carried out. The very powerful motor brake realistically simulates downhill and uphill runs. Running downhill the bike carries on rolling with the rear wheel being driven so you can stop pedalling. The uphill resistance formulas are virtually exact. The motor brake is a first from Tacx in the field of training. It offers sensational experi
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