Cold air constricts, warm air dilates.
What can help in these instances, and i appreciate it may not be convenient, is to get on a trainer or rollers before your journey, to 'warm up' and allow the elastic properties of your lungs and respiratory muscles to warm up too.....
Cold air constricts, warm air dilates.
What can help in these instances, and i appreciate it may not be convenient, is to get on a trainer or rollers before your journey, to 'warm up' and allow the elastic properties of your lungs and respiratory muscles to warm up too.....