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Dirt Bike Rear Suspension

Dirt Bike Rear Suspension

Dirt Bike Rear Suspension

Dirt Bike Rear Suspension Parts: Lowering Rods, Swingarm Bearings & Shock Springs at JJ Motorsports

Upgrade your dirt bike's rear suspension with premium parts from JJ Motorsports, designed for better damping and durability in motocross, enduro, and trail riding. These components improve handling and reduce wear for reliable performance.

Shop Moose Offroad, Moose Racing, and Factory Connection rear suspension parts for durable, easy-to-install upgrades. Explore related categories such as dirt bike suspension for front forks and shocks, or dirt bike frame and body for guards and panels to complete your build and achieve balanced, responsive ride quality across all conditions, from high-speed jumps to technical singletrack.

Top Dirt Bike Rear Suspension Parts

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • VINTCO Shock Piston Kit KSHP01 VINTCO Shock Piston Kit KSHP01

    VINTCO Shock Piston Kit KSHP01

    VINTCO

    $52.95
    Fox Air Shocks demand precision internals to maintain consistent performance lap after lap. The VINTCO Shock Piston Kit KSHP01 restores your shock's damping characteristics with OEM-equivalent components manufactured to exacting tolerances. Whether...
    13140782
    SKU:
    13140782
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    $52.95
    Qty in Cart: 0
    Quantity:
    Price:
    $52.95
    Subtotal:
  • VINTCO Shock Bearing KSSB01 VINTCO Shock Bearing KSSB01

    VINTCO Shock Bearing KSSB01

    VINTCO

    $95.95
    Air shock performance degrades over time as internal bearings wear, leading to inconsistent damping and reduced responsiveness. The VINTCO Shock Bearing KSSB01 restores your Fox Air Shock to factory specifications with a precision-engineered bronze...
    13140784
    SKU:
    13140784
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • VINTCO Lower Cap Kit SLC01 VINTCO Lower Cap Kit SLC01

    VINTCO Lower Cap Kit SLC01

    VINTCO

    $63.95
    Fox air shock suspensions demand reliable wear parts to maintain consistent performance and ride quality. The VINTCO Lower Cap Kit SLC01 restores your shock's damping integrity with OEM-equivalent fitment and durability, keeping your suspension...
    13140785
    SKU:
    13140785
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    $63.95
    Qty in Cart: 0
    Quantity:
    Price:
    $63.95
    Subtotal:
  • VINTCO Upper Cap Kit SUC01 VINTCO Upper Cap Kit SUC01

    VINTCO Upper Cap Kit SUC01

    VINTCO

    $74.95
    Fox air shocks demand precision components to maintain their performance and reliability. A degraded upper cap compromises seal integrity and suspension response, directly impacting your rig's handling and comfort. The VINTCO Upper Cap Kit SUC01 restores...
    13140786
    SKU:
    13140786
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    $74.95
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • VINTCO Upper Cap Kit SUC02 VINTCO Upper Cap Kit SUC02

    VINTCO Upper Cap Kit SUC02

    VINTCO

    $74.95
    Fox Air Shocks degrade over time, causing loss of damping performance and ride quality on the trail or track. The VINTCO Upper Cap Kit SUC02 restores your shocks to OEM specifications with precision-engineered components that eliminate play and seal...
    13140787
    SKU:
    13140787
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    $74.95
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • VINTCO Lock Nut KSLN01 VINTCO Lock Nut KSLN01

    VINTCO Lock Nut KSLN01

    VINTCO

    $26.95
    A worn or damaged lock nut compromises the structural integrity of your Fox air shock, leading to inconsistent damping performance and potential catastrophic failure on the track. The VINTCO Lock Nut KSLN01 restores OEM-equivalent clamping force with...
    13140783
    SKU:
    13140783
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • MOOSE RACING Swing Arm 27-1213 MOOSE RACING Swing Arm 27-1213

    MOOSE RACING Swing Arm 27-1213

    MOOSE RACING

    $98.95
    A quality swing arm is fundamental to your machine's handling, stability, and cornering precision. The MOOSE RACING Swing Arm 27-1213 delivers the rigidity and durability needed for consistent performance, whether you're pushing hard on the track or...
    13020754
    SKU:
    13020754
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    $98.95
    Qty in Cart: 0
    Quantity:
    Price:
    $98.95
    Subtotal:
  • SDI Linkage Shock Bladder Conversion Kit - Blue SDM-2222006-BLU SDI Linkage Shock Bladder Conversion Kit - Blue SDM-2222006-BLU

    SDI Linkage Shock Bladder Conversion Kit - Blue SDM-2222006-BLU

    SDI

    $143.95
    If you're running a linkage shock on your bike, you're dealing with friction penalties and consistency issues that a floating piston design simply can't overcome. This SDI conversion kit swaps your OEM floating piston for a conventional bladder...
    13140788
    SKU:
    13140788
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $143.95
    Subtotal:
  • SDI Linkage Shock Bladder Conversion Kit - Orange SDM-2222006-O SDI Linkage Shock Bladder Conversion Kit - Orange SDM-2222006-O

    SDI Linkage Shock Bladder Conversion Kit - Orange SDM-2222006-O

    SDI

    $143.95
    If you're running a linkage shock system, you're dealing with friction losses and inconsistent damping that compound over time. This SDI bladder conversion kit replaces your stock floating piston with a proven conventional bladder design, delivering a...
    13140790
    SKU:
    13140790
    Availability:
    Ships Same Business Day
    Weight:
    0.73 LBS
    $143.95
    Qty in Cart: 0
    Quantity:
    Price:
    $143.95
    Subtotal:
  • SDI Linkage Spring Nut - Factory Brown SDM-2222001-FB

    SDI Linkage Spring Nut - Factory Brown SDM-2222001-FB

    SDI

    $69.95
    The OEM plastic spring nut on your shock assembly is a known weak point—it cracks under load and compromises your suspension geometry. The SDI Linkage Spring Nut replaces that failure-prone plastic with a durable metal preload spacer that distributes...
    13140792
    SKU:
    13140792
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    Subtotal:
  • SDI Linkage Spring Nut - Orange SDM-2222001-O

    SDI Linkage Spring Nut - Orange SDM-2222001-O

    SDI

    $69.95
    The OEM plastic spring nut on your shock absorber is a wear point that compounds damage over hard use—replacing it with the SDI Linkage Spring Nut eliminates that failure point and extends shock longevity. This CNC-machined component transfers preload...
    13140793
    SKU:
    13140793
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    Subtotal:
  • SDI Linkage Spring Cup - Black SDM-2222002-B SDI Linkage Spring Cup - Black SDM-2222002-B

    SDI Linkage Spring Cup - Black SDM-2222002-B

    SDI

    $53.95
    The stock two-piece plastic spring cup is a weak point in high-stress suspension linkage systems—it can crack under aggressive cornering, heavy braking, or repeated track abuse. The SDI Linkage Spring Cup replaces this OEM component with a solid,...
    13140794
    SKU:
    13140794
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    $53.95
    Qty in Cart: 0
    Quantity:
    Price:
    $53.95
    Subtotal:
  • SDI Linkage Spring Cup - Factory Brown SDM-2222002-FB SDI Linkage Spring Cup - Factory Brown SDM-2222002-FB

    SDI Linkage Spring Cup - Factory Brown SDM-2222002-FB

    SDI

    $53.95
    The factory plastic spring cup is a known weak point in high-stress linkage systems—it flexes under load and can crack or fail during aggressive driving or racing. The SDI Linkage Spring Cup replaces that two-piece plastic assembly with a reinforced,...
    13140795
    SKU:
    13140795
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    $53.95
    Qty in Cart: 0
    Quantity:
    Price:
    $53.95
    Subtotal:
  • SDI Linkage Spring Cup - Orange SDM-2222002-O SDI Linkage Spring Cup - Orange SDM-2222002-O

    SDI Linkage Spring Cup - Orange SDM-2222002-O

    SDI

    $53.95
    The OEM plastic spring cup is a known failure point in high-stress suspension setups, particularly under sustained cornering loads or aggressive track use. This SDI Linkage Spring Cup replaces that two-piece plastic assembly with a solid, CNC-engineered...
    13140796
    SKU:
    13140796
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    $53.95
    Qty in Cart: 0
    Quantity:
    Price:
    $53.95
    Subtotal:
  • SDI Linkage Knob - High Speed SDM-2222003

    SDI Linkage Knob - High Speed SDM-2222003

    SDI

    $29.95
    Precision suspension tuning demands reliable, ergonomic controls—and plastic OEM adjusters simply don't cut it when you're dialing in high-speed compression on the track. The SDI Linkage Knob replaces that flimsy factory piece with a solid, purpose-built...
    13140797
    SKU:
    13140797
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • XTRIG Shock Pre-Load Adjuster 500010200501

    XTRIG Shock Pre-Load Adjuster 500010200501

    XTRIG

    $178.95
    Track-side adjustments shouldn't require tools or guesswork. The XTRIG Shock Pre-Load Adjuster eliminates fumbling with traditional preload rings, letting you dial in rear sag in seconds and get back to optimizing your setup. Whether you're chasing lap...
    13121041
    SKU:
    13121041
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $178.95
    Qty in Cart: 0
    Quantity:
    Price:
    $178.95
    Subtotal:
  • XTRIG Shock Pre-Load Adjuster 500010300401

    XTRIG Shock Pre-Load Adjuster 500010300401

    XTRIG

    $202.95
    Dialing in your rear suspension geometry shouldn't consume half your pit time. The XTRIG Shock Pre-Load Adjuster eliminates the frustration of wrestling with traditional preload rings, letting you make precise sag adjustments in seconds—critical when...
    13121042
    SKU:
    13121042
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    $202.95
    Qty in Cart: 0
    Quantity:
    Price:
    $202.95
    Subtotal:
  • XTRIG Shock Pre-Load Adjuster 500010300601

    XTRIG Shock Pre-Load Adjuster 500010300601

    XTRIG

    $219.95
    Race-day setup changes shouldn't cost you lap time. The XTRIG Shock Pre-Load Adjuster eliminates the need to remove and manually adjust preload rings, letting you fine-tune rear suspension sag in seconds without tools or disassembly. Built on proven...
    13121043
    SKU:
    13121043
    Availability:
    Ships Same Business Day
    Weight:
    0.61 LBS
    $219.95
    Qty in Cart: 0
    Quantity:
    Price:
    $219.95
    Subtotal:
  • XTRIG Shock Pre-Load Adjuster 500010500501

    XTRIG Shock Pre-Load Adjuster 500010500501

    XTRIG

    $178.95
    Race sag adjustments shouldn't cost you time in the pits. The XTRIG Shock Pre-Load Adjuster eliminates the frustration of traditional preload rings by offering tool-free, trackside adjustments that keep pace with your setup changes. Built on a mechanical...
    13121044
    SKU:
    13121044
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    $178.95
    Qty in Cart: 0
    Quantity:
    Price:
    $178.95
    Subtotal:
  • XTRIG Shock Pre-Load Adjuster 500010600301

    XTRIG Shock Pre-Load Adjuster 500010600301

    XTRIG

    $202.95
    Adjusting rear shock preload during track sessions or between setup iterations shouldn't require tools or complicated procedures. The XTRIG Shock Pre-Load Adjuster eliminates the friction and guesswork of traditional preload rings, allowing you to dial...
    13121045
    SKU:
    13121045
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    $202.95
    Qty in Cart: 0
    Quantity:
    Price:
    $202.95
    Subtotal:
  • Total: items /

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Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

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Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

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