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PROGRESSIVE SUSPENSION

412 Series Shocks

Manufacturer Code412-4050B
Product CodeCHM-PROGRESS-412-4050B
  • Designed specifically for Harley models
  • The 412's simple, durable design makes them a cost effective improvement to your motorcycle's suspension performance
  • A five position cam style spring load preload adjuster lets you easily dial in your ride
  • Some or all shocks listed are approved for road use. Refer to most recent certificate for current listing
  • There are multiple style options available, like full show-chrome or black covers; or either chrome or black springs and end caps
  • Made in the USA
  • All shocks are measured center-of-eyelet to center-of-eyelet.
  • When installing shocks on '86-'15 XL models, it may be necessary to modify or space the chain/belt guard to allow proper clearance.
  • A shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering.
  • A shock which is slightly shorter than stock may alter the head angle slightly and provide somewhat slower steering.
  • Heavy Duty Applications are recommended for bikes that are operated at or near the manufacturer's maximum load rating over 50% of the time.
  • Before purchasing or attempting to install shocks that are different than the OEM length, confirm that your wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact as well as chain/belt guard or tire contact.


  • Vehicle fitment

    Select your vehicle in the bar above to check if this part fits.

    This part is compatible with 56 motorcycle models.
    • HARLEY DAVIDSON FLH 13401985
    • HARLEY DAVIDSON FLHR 13401994–1998
    • HARLEY DAVIDSON FLHR 14501999–2005
    • HARLEY DAVIDSON FLHRC 14502004
    • HARLEY DAVIDSON FLHRCI 1340 EFI1998
    • HARLEY DAVIDSON FLHRCI 1450 EFI1999–2005
    • HARLEY DAVIDSON FLHRI 1340 EFI1996–1997
    • HARLEY DAVIDSON FLHRI 1450 EFI1999–2005
    • HARLEY DAVIDSON FLHRS 14502004–2005
    • HARLEY DAVIDSON FLHRSEI 15502002
    • HARLEY DAVIDSON FLHRSEI2 16902003
    • HARLEY DAVIDSON FLHRSI 1450 EFI2004–2005
    • HARLEY DAVIDSON FLHS 12001980
    • HARLEY DAVIDSON FLHS 13401987–1993
    • HARLEY DAVIDSON FLHT 13401983, 1986–1987, 1995–1998
    • HARLEY DAVIDSON FLHT 14501999–2006
    • HARLEY DAVIDSON FLHTC 13401983–1998
    • HARLEY DAVIDSON FLHTC 14502002–2005
    • HARLEY DAVIDSON FLHTCI 1340 EFI1996–1998
    • HARLEY DAVIDSON FLHTCI 1450 EFI1999–2000, 2003–2005
    • HARLEY DAVIDSON FLHTCSE 1690 EFI2004
    • HARLEY DAVIDSON FLHTCSE2 1690 EFI2005
    • HARLEY DAVIDSON FLHTCU 13401989–1997
    • HARLEY DAVIDSON FLHTCUI 1340 EFI1995–1998
    • HARLEY DAVIDSON FLHTCUI 1450 EFI1999–2005
    • HARLEY DAVIDSON FLHTI 1450 EFI2004–2005
    • HARLEY DAVIDSON FLHX 13401984–1985
    • HARLEY DAVIDSON FLT 13401980–1984
    • HARLEY DAVIDSON FLTC 13401980–1991
    • HARLEY DAVIDSON FLTCU 13401989–1996
    • HARLEY DAVIDSON FLTR 14501999–2003
    • HARLEY DAVIDSON FLTRI 1340 EFI1998
    • HARLEY DAVIDSON FLTRI 1450 EFI1999–2005
    • HARLEY DAVIDSON FLTRSEI 15502000
    • HARLEY DAVIDSON FLTRSEI2 15502001
    • HARLEY DAVIDSON FXLR 13401987–1994
    • HARLEY DAVIDSON FXR 13401986–1994
    • HARLEY DAVIDSON FXR 1340 II1982–1983
    • HARLEY DAVIDSON FXRC 13401987
    • HARLEY DAVIDSON FXRS 13401984–1992
    • HARLEY DAVIDSON FXRS 1340 II1982
    • HARLEY DAVIDSON FXRS CON. 13401989–1993
    • HARLEY DAVIDSON FXRS-SP 13401987–1993
    • HARLEY DAVIDSON FXRT 13401984–1992
    • HARLEY DAVIDSON XL 1200 C1996–2003
    • HARLEY DAVIDSON XL 1200 S1996–2003
    • HARLEY DAVIDSON XL 883 C1998–2003
    • HARLEY DAVIDSON XL 883 R2002–2003
    • HARLEY DAVIDSON XLCR 10001977–1978
    • HARLEY DAVIDSON XLH 10001979–1985
    • HARLEY DAVIDSON XLH 11001986–1987
    • HARLEY DAVIDSON XLH 12001988–2003
    • HARLEY DAVIDSON XLH 8831986–2003
    • HARLEY DAVIDSON XLS 10001979–1985
    • HARLEY DAVIDSON XLX 10001983–1985
    • HARLEY DAVIDSON XR 10001984–1985
    On demand
    Delivery time determined after consultation
    RON 2,519.57
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    Specificații

    Specificații

    DutyHeavy Duty
    TypeCoilover Monotube
    Model412 Series without Covers
    UnitsPair
    MaterialSteel
    Spring TypeSingle Progressive Rate
    Color/FinishBlack
    Product NameShock Absorber
    Riding StyleStreet
    Damping MethodGas Charged
    Research ValueFinalized
    Extended Length305,00 mm (12,00")
    Adjustment StyleAutomatic
    Mounting PositionRear
    Reservoir LocationInternal
    Extended Length Metric305.00 mm
    Progressive Spring Rate2,05 kg/mm - 2,77 kg/mm (115 lb/in - 155 lb/in)
    Extended Length Imperial12.00"
    Progressive Spring Rate Metric2.05 kg/mm - 2.77 kg/mm
    Progressive Spring Rate Imperial115.00 lb/in - 155.00 lb/in