Other than perving on fit birds.. and the oppurtunity to do more work if you're not doing them in place of turbo sessions>?
You do spin classes on other bikes (not your own) which loses your specificity.
You might work harder if the class teacher is a cunt and makes you work harder.. but it depends on how you respond to some nonce telling you to do pushups and breathe and down and up and down and,.. you get the idea
NoNot completely useles.. since..Other than perving on fit birds.. and the oppurtunity to do more work if you're not doing them in place of turbo sessions>?
You do spin classes on other bikes (not your own) which loses your specificity.
You might work harder if the class teacher is a cunt and makes you work harder.. but it depends on how you respond to some nonce telling you to do pushups and breathe and down and up and down and,.. you get the idea