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Progressive Suspension 440 Series I.A.S. Shocks

Progressive Suspension
Regular: $590.95 - $645.95 Save 10%!
Sale: $531.95 - $581.95
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Progressive Suspension Shock how they're made Progressive Suspension Overview

Product Details

The Progressive Suspension 440 series IAS shocks are some of the best velocity sensitive shocks on the market. The 440 series IAS or Inertia Active System allows for unsurpassed handling and comfort. With a simple twist of the cap the top mounted threaded preload adjuster allows for fine tuning. Inertia valve determines if the soft (wheel) or Firm (Chassis) circuit is used to maximize both handling and comfort automatically. Has 3 velocity sensitive damping circuits; compression as well as soft and firm rebound. TUV approved and Made in the U.S.A. Sold in Pairs.
      -Offered in Standard and Heavy Duty. Heavy Duty applications are recommended for bikes that are operated at or near the manufacturer's maximum load rating over 50% of the time.
      -Shocks that are shorter or longer than stock may affect steering characteristics. Shorter shocks will alter hea

Specifications and Options

Brand Progressive Suspension
Shock Length 12", 13", 13" Shock, 13.5" Shock
Design Black, Chrome
Style Standard

Q & A

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Browse 6 questions Browse 6 questions and 6 answers
I'm told these shocks will fit my 1998 FXDL but your fit my machine button says the shocks won't fit
Seth on May 4, 2012
BEST ANSWER: Thanks for your question. In order to insure proper fitment please give us a call 1-888-339-3888
is this the same as the model # 440-4207 from progressive
null on Nov 26, 2011
BEST ANSWER: Thanks for your question! We will need your year/make/model to confirm this information.
All three of these 12.5" Progressive Suspension shocks fit my bike, but I do not know what the differences are. Please advise. Thanks.

1486107 Progressive Suspension 440 Series I.A.S.
1486103 Progressive Suspension 440 Series I.A.S.
1486102 Progressive Suspension 440 Series I.A.S.
Gene on Nov 16, 2011
BEST ANSWER: Thanks for your question! They come in 3 different length's 11" Shock, 11.5" Shock, 12" Shock eye hole to eye hole. Please contact our sales dept. to assist you in getting the correct ones.
what shocks for my 2000VT1100C3
null on Aug 20, 2011
BEST ANSWER: Thanks for your question! Any one of those will work you would just need to choose the length.
I have a 2006 volcan and weight over 200lbs and ride 2 up what model of shock should i use
JB on Jun 12, 2011
BEST ANSWER: Thanks for your question! The 440 series shock is a good choice for your riding application.
how do I tell what shocks are heavy duty shocks

I have a 700cc 1987 Virago and I am over 200 lbs and my wife rides with me I want to buy heavy duty shocks for my cycle.
Kracken on Mar 10, 2010
BEST ANSWER: Thanks for your question! Unfortunately we do not list the heavy duty versions through our website but Progressive does offer these, you can find these using the link below.

http://www.progressivesuspension.com/prodSearchResults.aspx?yearID=1987&makeID=48&modelID=518

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