Quote Originally Posted by AndyA View Post
The Honest Answer is; It depends!

If you want to improve race efficiency, use it to raise your cadence to 85rpm plus (increased cadence always feels wierd at first but soon becomes more natural. Insufficient cadence is the main fault of all amateur competitors and it reduces endurance ability, as well as affecting your run performance if you are doing triathlon).

Hope this helps; give us some more info about yourself if you want anything more detailed.
"Increase" Cadence to 85 RPM!!??!! You should be riding over 90RPM to start with, you're in trouble if you're using less than this all the time!!!