Setting up a turbo trainer lets you dodge bad weather – and bad drivers. Interval sessions boost fitness and only take an hour, while virtual-world innovations mean indoor sessions are no longer mental torture. Let’s get started …
A turbo trainer allows you to hook up your regular bike to a machine that provides resistance. There are four main types: fluid, magnetic, fan and direct drive.
from Fitness | The Guardian http://ift.tt/1Vm0qPD
via FITNESS
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