Progressive Suspension now has a 465 Series Rear Shock with remote pre-load adjuster specifically for the F6B. The shock is available in standard length:http://www.cruisercustomizing.com/pr...rt/PS-465-5041 and 1 inch shorter than stock versions: http://www.cruisercustomizing.com/pr...rt/PS-465-5042. The shocks are expected at Cruiser Customizing around 9/10/14 and will retail for $671.99. Shocks can be pre-ordered now and when combined with the Progressive Suspension Monotube Fork Cartridege Kit in stock length:
http://www.cruisercustomizing.com/pr...art/PS-31-2525 or 1 inch shorter than stock length: http://www.cruisercustomizing.com/pr...art/PS-31-2526 for $359.99, you'll have the ultimate front and rear suspension set up for $1032.