Mountain Bike racing cycle

[Mattalinguist]

I've been racing mountain bikes off and on for some years. I've had some experience using steriods for lifting and muscle gain. I'm wondering what would be a good cycle for endurance and recovery. Any suggestions??

 

[Gymgurl]

I copied this over to the cardio section only becasue there are some bikers over there! Maybe you will find some good answers..