After more than a decade of ruling the roads with their famous 440 Series shocks with IAS, Progressive Suspension has unveiled another breakthrough design! It is dubbed Frequency Sensing Technology (FST) for its unique ability to dynamically adjust damping as you ride.
Product Style | J&P Cycles Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
---|---|---|---|---|---|
Product Style Standard 11 1/2" / Black | J&P Cycles Item #899797 | Catalog Number504-534 | Store Sku | MFR. Product #444-4059B | AvailabilityIn Stock: Ships within 24 hours |
Product Style Standard 11 1/2" / Chrome | J&P Cycles Item #899798 | Catalog Number504-535 | Store Sku | MFR. Product #444-4059C | AvailabilityOnly 2 Left: Ships next business day |
Product Style Standard 12" / Black | J&P Cycles Item #899801 | Catalog Number504-538 | Store Sku | MFR. Product #444-4061B | AvailabilityOut of Stock |
Product Style Standard 12" / Chrome | J&P Cycles Item #899802 | Catalog Number504-539 | Store Sku | MFR. Product #444-4061C | AvailabilityOnly 1 Left: Ships next business day |
Product Style Standard 12 1/2" / Black | J&P Cycles Item #899744 | Catalog Number504-478 | Store Sku | MFR. Product #444-4001B | AvailabilityOnly 2 Left: Ships within 24 hours |
Product Style Standard 12 1/2" / Chrome | J&P Cycles Item #899745 | Catalog Number504-479 | Store Sku | MFR. Product #444-4001C | AvailabilityOnly 1 Left: Ships next business day |
Product Style Standard 13" / Black | J&P Cycles Item #899746 | Catalog Number504-480 | Store Sku299447 | MFR. Product #444-4002B | AvailabilityIn Stock: Ships within 24 hours |
Product Style Standard 13" / Chrome | J&P Cycles Item #899747 | Catalog Number504-481 | Store Sku | MFR. Product #444-4002C | AvailabilityIn Stock: Ships next business day |
Product Style Standard 13 1/2" / Chrome | J&P Cycles Item #899748 | Catalog Number504-483 | Store Sku | MFR. Product #444-4003C | AvailabilityOut of Stock |
Product Style Black / Heavy Duty 11 1/2" | J&P Cycles Item #899799 | Catalog Number504-536 | Store Sku | MFR. Product #444-4060B | AvailabilityIn Stock: Ships within 24 hours |
Product Style Heavy Duty 11 1/2" / Chrome | J&P Cycles Item #899800 | Catalog Number504-537 | Store Sku | MFR. Product #444-4060C | AvailabilityOnly 3 Left: Ships next business day |
Product Style Black / Heavy Duty 12" | J&P Cycles Item #899795 | Catalog Number504-532 | Store Sku | MFR. Product #444-4058B | AvailabilityOnly 2 Left: Ships within 24 hours |
Product Style Heavy Duty 12" / Chrome | J&P Cycles Item #899796 | Catalog Number504-533 | Store Sku | MFR. Product #444-4058C | AvailabilityIn Stock: Ships next business day |
Product Style Black / Heavy Duty 12 1/2" | J&P Cycles Item #899761 | Catalog Number504-496 | Store Sku | MFR. Product #444-4019B | AvailabilityOut of Stock |
Product Style Heavy Duty 12 1/2" / Chrome | J&P Cycles Item #899762 | Catalog Number504-497 | Store Sku | MFR. Product #444-4019C | AvailabilityOut of Stock |
Product Style Black / Heavy Duty 13" | J&P Cycles Item #899763 | Catalog Number504-498 | Store Sku299446 | MFR. Product #444-4020B | AvailabilityIn Stock: Ships within 24 hours |
Product Style Heavy Duty 13" / Chrome | J&P Cycles Item #899764 | Catalog Number504-499 | Store Sku | MFR. Product #444-4020C | AvailabilityIn Stock: Ships within 24 hours |
Product Style Black / Heavy Duty 13 1/2" | J&P Cycles Item #899765 | Catalog Number504-500 | Store Sku | MFR. Product #444-4021B | AvailabilityIn Stock: Ships within 24 hours |
Product Style Heavy Duty 13 1/2" / Chrome | J&P Cycles Item #899766 | Catalog Number504-501 | Store Sku | MFR. Product #444-4021C | AvailabilityCloseout: This product is no longer available |
Product Style Black / Super Duty 13" | J&P Cycles Item #1209374 | Catalog Number922-569 | Store Sku | MFR. Product #444-4076B | AvailabilityIn Stock: Ships within 24 hours |
Product Style Black / Super Duty 13 1/2" | J&P Cycles Item #1209375 | Catalog Number922-570 | Store Sku | MFR. Product #444-4077B | AvailabilityIn Stock: Ships next business day |
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