Possible Clues:

• Rails crossing river where pike may count in competition
• Jump in vehicle: rank behind post office
• Bouncer using Circle Line after walk
• Spring recreation?
• Jump on this passenger vehicle: European tours popular
• Bouncer's equipment
• Later on, I worried about member's gymnastic apparatus
• Stroll over with most of linen -- it's suitable for jumpers
• Gym equipment with springs
• Spring up from vagrant, old and rank