Take a look at your upper body movement. Your spine should be static yet you can clearly see it flexing from side to side. I would suggest altering your position to prevent all that wasted energy. You might need to lower your saddle for instance, or shorten the reach.
Take a look at your upper body movement. Your spine should be static yet you can clearly see it flexing from side to side. I would suggest altering your position to prevent all that wasted energy. You might need to lower your saddle for instance, or shorten the reach.