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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
  • MOOSE RACING Shock Spring - 59 mm OD - 63/66/69 n/mm - White 1312-1015

    MOOSE RACING Shock Spring - 59 mm OD - 63/66/69 n/mm - White 1312-1015

    MOOSE RACING

    $111.95
    Suspension tuning demands precision, and compromised springs will undermine even the best-engineered chassis setup. The MOOSE RACING Shock Spring delivers consistent, predictable spring rates through rigorous manufacturing standards and premium...
    13121015
    SKU:
    13121015
    Availability:
    Ships Same Business Day
    Weight:
    3.70 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 59 mm OD - 66/69/72 n/mm - White 1312-1016

    MOOSE RACING Shock Spring - 59 mm OD - 66/69/72 n/mm - White 1312-1016

    MOOSE RACING

    $111.95
    Shock spring performance directly impacts your suspension's ability to maintain consistent damping, responsiveness, and ride height under load. Whether you're fine-tuning a race setup or replacing a worn spring, the MOOSE RACING 59mm shock spring...
    13121016
    SKU:
    13121016
    Availability:
    Ships Same Business Day
    Weight:
    3.95 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 59 mm OD - 69 n/mm - White 1312-1017

    MOOSE RACING Shock Spring - 59 mm OD - 69 n/mm - White 1312-1017

    MOOSE RACING

    $111.95
    A quality shock spring is fundamental to consistent suspension performance, and inferior springs introduce unpredictable damping characteristics that compromise handling and driver feedback. The MOOSE RACING 59 mm shock spring delivers the precision and...
    13121017
    SKU:
    13121017
    Availability:
    Ships Same Business Day
    Weight:
    3.50 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 59 mm OD - 69/72/75 n/mm - White 1312-1018

    MOOSE RACING Shock Spring - 59 mm OD - 69/72/75 n/mm - White 1312-1018

    MOOSE RACING

    $111.95
    A quality shock spring is fundamental to your suspension's performance, and MOOSE Racing shock springs deliver the consistency and durability that serious racers and builders demand. Built from premium chrome silicone wire and manufactured to exacting...
    13121018
    SKU:
    13121018
    Availability:
    Ships Same Business Day
    Weight:
    4.20 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 59 mm OD - 72 n/mm - White 1312-1019

    MOOSE RACING Shock Spring - 59 mm OD - 72 n/mm - White 1312-1019

    MOOSE RACING

    $111.95
    Precision suspension tuning demands springs engineered to exact specifications—and Moose Racing delivers with this 59mm shock spring, manufactured to DIN 2095 Grade 1 standards. Whether you're fine-tuning your race setup or replacing worn components,...
    13121019
    SKU:
    13121019
    Availability:
    Ships Same Business Day
    Weight:
    3.75 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 31 n/mm - White 1312-1027

    MOOSE RACING Shock Spring - 63 mm OD - 31 n/mm - White 1312-1027

    MOOSE RACING

    $111.95
    Precision shock tuning demands a spring that delivers consistent, predictable performance lap after lap. The MOOSE RACING 63mm Shock Spring combines high-grade chrome silicone wire with meticulous manufacturing to ensure your suspension responds exactly...
    13121027
    SKU:
    13121027
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 33 n/mm - White 1312-1028

    MOOSE RACING Shock Spring - 63 mm OD - 33 n/mm - White 1312-1028

    MOOSE RACING

    $111.95
    A properly matched shock spring is critical for suspension geometry, ride quality, and consistent performance on track or trail. The MOOSE RACING 63mm shock spring delivers precise spring rate accuracy and durability through cold-coiling and...
    13121028
    SKU:
    13121028
    Availability:
    Ships Same Business Day
    Weight:
    3.35 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 36 n/mm - White 1312-1029

    MOOSE RACING Shock Spring - 63 mm OD - 36 n/mm - White 1312-1029

    MOOSE RACING

    $111.95
    A precision-engineered shock spring is the foundation of responsive suspension tuning. If your current setup exhibits inconsistent damping or bottoming issues, this MOOSE RACING unit delivers the consistent rate and durability required for reliable track...
    13121029
    SKU:
    13121029
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 39 n/mm - White 1312-1030

    MOOSE RACING Shock Spring - 63 mm OD - 39 n/mm - White 1312-1030

    MOOSE RACING

    $111.95
    A quality shock spring is fundamental to suspension performance—it directly affects your vehicle's handling, ride quality, and cornering stability. The MOOSE RACING 63mm shock spring delivers consistent spring rate accuracy and durability through...
    13121030
    SKU:
    13121030
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 42 n/mm - White 1312-1031

    MOOSE RACING Shock Spring - 63 mm OD - 42 n/mm - White 1312-1031

    MOOSE RACING

    $111.95
    Shock spring performance directly impacts your suspension's ability to manage load transfer and maintain consistent handling through corners and over rough terrain. The MOOSE RACING 63 mm OD spring delivers precise spring rate control with +/- 2.5%...
    13121031
    SKU:
    13121031
    Availability:
    Ships Same Business Day
    Weight:
    3.50 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 45 n/mm - White 1312-1032

    MOOSE RACING Shock Spring - 63 mm OD - 45 n/mm - White 1312-1032

    MOOSE RACING

    $111.95
    A worn or mismatched shock spring compromises both handling precision and ride quality, leaving you vulnerable to unpredictable suspension behavior on track or trail. The MOOSE RACING 63 mm shock spring delivers consistent spring rate performance through...
    13121032
    SKU:
    13121032
    Availability:
    Ships Same Business Day
    Weight:
    3.70 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 51 n/mm - White 1312-1034

    MOOSE RACING Shock Spring - 63 mm OD - 51 n/mm - White 1312-1034

    MOOSE RACING

    $111.95
    A worn or inadequate shock spring compromises both handling precision and ride quality, forcing your suspension to work harder and wearing out components prematurely. The MOOSE RACING Shock Spring delivers consistent, predictable damping through precise...
    13121034
    SKU:
    13121034
    Availability:
    Ships Same Business Day
    Weight:
    4.05 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 54 n/mm - White 1312-1035

    MOOSE RACING Shock Spring - 63 mm OD - 54 n/mm - White 1312-1035

    MOOSE RACING

    $111.95
    Shock spring performance directly impacts your vehicle's handling precision, ride quality, and overall suspension reliability. The MOOSE RACING 63mm spring delivers consistent damping force through premium materials and meticulous manufacturing, ensuring...
    13121035
    SKU:
    13121035
    Availability:
    Ships Same Business Day
    Weight:
    3.95 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 57 n/mm - White 1312-1036

    MOOSE RACING Shock Spring - 63 mm OD - 57 n/mm - White 1312-1036

    MOOSE RACING

    $111.95
    A shock spring with inconsistent rate or poor durability will compromise your suspension geometry and handling predictability—especially under load. The MOOSE RACING 63mm Shock Spring delivers precision-engineered performance with ±2.5% spring rate...
    13121036
    SKU:
    13121036
    Availability:
    Ships Same Business Day
    Weight:
    4.15 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 63 n/mm - White 1312-1038

    MOOSE RACING Shock Spring - 63 mm OD - 63 n/mm - White 1312-1038

    MOOSE RACING

    $111.95
    A quality shock spring is fundamental to suspension performance—it directly affects how your vehicle handles load transfer, maintains ride height, and responds to track inputs. The MOOSE RACING 63 n/mm spring delivers the consistency and durability...
    13121038
    SKU:
    13121038
    Availability:
    Ships Same Business Day
    Weight:
    4.10 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • MOOSE RACING Shock Spring - 63 mm OD - 66 n/mm - White 1312-1039

    MOOSE RACING Shock Spring - 63 mm OD - 66 n/mm - White 1312-1039

    MOOSE RACING

    $111.95
    A properly tuned shock spring is fundamental to suspension performance, directly affecting your vehicle's handling, stability, and ride quality. This MOOSE RACING spring delivers consistent spring rates within strict tolerances, ensuring predictable...
    13121039
    SKU:
    13121039
    Availability:
    Ships Same Business Day
    Weight:
    4.55 LBS
    $111.95
    Qty in Cart: 0
    Quantity:
    Price:
    $111.95
    Subtotal:
  • VINTCO Shock Bladder Kit KSBL01 VINTCO Shock Bladder Kit KSBL01

    VINTCO Shock Bladder Kit KSBL01

    VINTCO

    $31.95
    Fox Air Shocks lose performance as their bladders degrade—typically after 2-3 years of regular use or after a rebuild. The VINTCO Shock Bladder Kit KSBL01 restores your shocks to OEM specifications, eliminating air leakage and maintaining consistent...
    13140778
    SKU:
    13140778
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $31.95
    Qty in Cart: 0
    Quantity:
    Price:
    $31.95
    Subtotal:
  • VINTCO Shock Bladder Kit KSBL02 VINTCO Shock Bladder Kit KSBL02

    VINTCO Shock Bladder Kit KSBL02

    VINTCO

    $31.95
    Air shock performance degrades over time as bladder seals wear and lose pressure retention. The VINTCO Shock Bladder Kit KSBL02 restores your shocks to original damping characteristics, giving you back the precise suspension tuning you depend on. Since...
    13140779
    SKU:
    13140779
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $31.95
    Qty in Cart: 0
    Quantity:
    Price:
    $31.95
    Subtotal:
  • VINTCO Shock Rebuild Kit KSH-REBUILD VINTCO Shock Rebuild Kit KSH-REBUILD

    VINTCO Shock Rebuild Kit KSH-REBUILD

    VINTCO

    $106.95
    Air shocks lose performance over time as internal seals wear and components degrade—a rebuild kit restores your Fox or VINTCO shocks to OEM specifications without the cost of replacement. This complete kit supplies all critical wear items and internal...
    13140780
    SKU:
    13140780
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    $106.95
    Qty in Cart: 0
    Quantity:
    Price:
    $106.95
    Subtotal:
  • VINTCO Fork Seal/Wiper Kit KSH-SEAL VINTCO Fork Seal/Wiper Kit KSH-SEAL

    VINTCO Fork Seal/Wiper Kit KSH-SEAL

    VINTCO

    $26.95
    Fox air shocks demand precision maintenance to maintain consistent performance and extend service life. Over time, worn seals and wipers allow fluid leakage and contamination, degrading ride quality and damping characteristics. This genuine VINTCO Fork...
    13140781
    SKU:
    13140781
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $26.95
    Qty in Cart: 0
    Quantity:
    Price:
    $26.95
    Subtotal:
  • Total: items /

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Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

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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