Mash Or Spin - How Fast to Pedal

If you are a regular cyclist you will have noticed thatof injury and pain. It is known in cycle circles as
there are two ways to pedal - slowly and with great'mashing'.
force from the legs, or by choosing an easier gear,So it is almost universally agreed that cycling at any
and turning your legs quickly but with little force.given speed is more efficient if you pedal faster in an
These options apply as much when you are cycling oneasier gear. Although there is less certainty about the
the flat as when you are struggling to cycle up a hill.benefits of improving further, from 100 to 120 for
But does it matter which you choose? Newcomers toexample, most cyclist would confirm that there are
cycling tend to choose the slow, strong method ofadvantages in changing cadence from 65 to 85.
cycling while professionals and long time cyclistsA typical leisure cyclist will have a cadence (pedal
choose the second method.turns per minute) around 50-65, often less on steep
This is because pedalling at slow speed and relying onhills. Bravado might prevent the newcomer from
leg strength uses the 'fast twitch' muscle fibres in yourswitching into a very easy gear on hills, although this is
leg muscles, which in turn rely on the glycogen storedoften the best approach. Professionals will tend to
in the muscle. This glycogen will run out after a periodhave a cadence of 100-120, regardless of whether
of effort, and you will suddenly find that you lack thethey are on the flat or cycling up a hill. So a reasonable
strength necessary to continue efficiently.goal for an enthusiastic road cyclist might be 85-100
On the other hand, pedalling fast in an easy gear usesturns per minute.
the 'slow twitch' muscle, which gains energy byNext time you are out, give it a try. Measure your
breaking down fats in the blood, which is essentially ancurrent cadence (simply count leg rotations for one
unlimited reserve during the period of exercise.minute) and then try and do some stretches where
The first method also puts much greater pressure onyou increase the rate by 10 or 15. I think you will find
the joints and tendons in the knees, with a greater riskthe benefits are immediately evident.