Progressive Suspension 444-4020B Black 13" Heavy Duty Big Mile Riders Rear Suspension Shock

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Price: $450.06 $448.04   

Product Feature

• Frequency Sensing Technology (FST), allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality
• Deflective disc valve
• Adjust spring pre-load by hand, no special tool needed
• Progressive rate spring
• Heavy duty spring rate and chrome finish

Product Description

After more than a decade of ruling the roads with the road proven 440 Series shocks, unveiled another breakthrough design. Dubbed Frequency Sensing Technology (FST) for its unique ability to dynamically adjust damping as you ride. The result is superior performance no matter the road conditions. A top mount threaded preload adjuster allows for fine tuning with a simple twist of the cap. Deflective disc valve. Adjust spring pre-load by hand, no special tool needed. Progressive rate spring. Standard spring rate and chrome finish.

Progressive Suspension 444-4020B Black 13" Heavy Duty Big Mile Riders Rear Suspension Shock Review

I have a 2004 HD Electra Glide Ultra-Classic (FLHTCUI) that had the stock 'air-ride' rear shocks which required constant attention when riding two-up with luggage. The stock air-ride from Harley is fine when riding one up but when you really load up I found it to lose air constantly on trips and grew tired of dragging out the hand pump to maintain proper PSI to avoid bottoming out on rough roads or railroad crossings.

I emailed a guy over at Progressive and asked a few questions and settled on the 444-4020 13" shocks. These shocks are adjustable by hand cranking the top of the shock. I'd be nice if they'd etch a marking on the collar of the shock to help you keep track of full turns but one can do that easily with a spot of paint. Keep in mind when adjusting these shocks on a bagger, you'll need to remove the bags to change the stiffness of the shocks. The first thing I did after installing these shocks was leave them at full rigidity and left my side bags at home. As anticipated, the ride was too stiff so I'd get a feel of it going over bumps and pits, pull over and give them one full turn and try it again. Then I picked up the lady and we gave it a nice test hitting driveway aprons at a good clip and NO BOTTOMING OUT. Nice. I think it takes a little time to find the sweet spot, but it sure is worth it so far. Honestly I think I'm still riding them a little on the stiff side but the bike handles so much better and will only improve when I locate that perfect spot for riding one-up.

Also these are a breeze to install. If you swap out the air-ride shocks, don't forget to keep your old shocks upright so you can sell or store them, otherwise they'll leak and become useless. There are other manufacturers of shocks out there but when it comes to price versus performance, I decided on these and I can't see being any more pleased.

Like Frank said over at Progressive; it may be a little extra work moving your bags to adjust these shocks, but isn't a great ride worth a little effort? Yes it is Frank. SOLD.

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