429 Series, 12.2in. Heavy Duty Spring Rate Rear Shock Absorber – Black. Fits Softail 2018up.

Product Details Fitment Details:-Lowers the Ride Height by -1in. on the following Models.* Softail Deluxe, FLDE.* Softail Fat Boy, FLFB.* Softail Slim, FLSL.* Softail Street Bob, FXBB.* Softail Breakout, FXBR.* Softail Low Rider, FXLR.* Softail Sport Glide, FLSB.Lowers the Ride Height by -2in. on the following Models.* Softail Fat Bob,FXFB. * Softail Heritage Classic, FLHC.* Softail Low Rider ‘S’Features & Benefits:-< P>* High pressure nitrogen charged damper* Progressive rate spring* 40mm monotube construction* High performance MCU joust bumper* Deflective disc valving * Hard chrome precision ground damper rodTech Tips:-* 429 Shocks are available in 12.2in., 12.6in., 13.1in. & 13.5in. shock lengths.* Each length changes the Ride height at the axle approximately one inch.* Measure the length of your original shock & work from there.* Choosi ng a shorter shock on a M8 Softail will lower your ride height.* Choosing a longer shock on an M8 Softail will Increase your ride height.* If you are purchasing longer or shorter suspension, confirm that changing your Suspension travel will not cause clearance issues.* Standard Spring Rates are recommended for riders that weigh under 110kg.* Heavy Duty Spring Rates are recommended for riders that weigh over 110kg, or for riders who ride 2 up over 50% of the time.Proudly Made by Progressive Suspension ! MFR PART No: 429-2007 ROLLIES PART No: PS-429-2007