Possible Clues:

• As if jockeying, in a way
• A way to travel on horseback
• A way to travel on the back of a horse perhaps
• Trade is bad, though up
• With legs stretched apart — tirades (anag)
• Take horse on a public way, in this position?
• Sitting on a seat that's empty to go
• Tirades knocked the way cyclists proceed
• Maverick way for Catherine the Great to ride
• Tirades (anag.)