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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
  • KYB Shock Bumper Rubber - Rear - 16 mm 120341600701

    KYB Shock Bumper Rubber - Rear - 16 mm 120341600701

    KYB

    $17.95
    Improve bottoming feel and wear life
    13140216
    SKU:
    13140216
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    RUBBER
    MOUNTING POSITION:
    REAR
    TYPE:
    SHOCK
    COLOR/FINISH:
    YELLOW
    INSIDE DIAMETER IMPERIAL:
    0.63'
    PRODUCT NAME:
    BUMPER
    UNITS:
    EACH
    $17.95
    Qty in Cart: 0
    Quantity:
    Price:
    $17.95
    Subtotal:
  • KYB Rear Shock Service Kit - 50 mm/16 mm 129995000101

    KYB Rear Shock Service Kit - 50 mm/16 mm 129995000101

    KYB

    $74.95
    Include all necessary parts for a complete rear suspension rebuild
    13140217
    SKU:
    13140217
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    REBUILD KIT
    INSIDE DIAMETER IMPERIAL:
    0.63'
    OUTSIDE DIAMETER IMPERIAL:
    1.97'
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    TAN
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SHOCK
    $74.95
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • KYB Rear Shock O-Ring for Seal Head - 50 mm 120315000101

    KYB Rear Shock O-Ring for Seal Head - 50 mm 120315000101

    KYB

    $1.95
    OE Replacement
    13140218
    SKU:
    13140218
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SHOCK PISTON
    UNITS:
    EACH
    OUTSIDE DIAMETER IMPERIAL:
    1.97'
    PRODUCT NAME:
    O-RING SEAL KIT
    MOUNTING POSITION:
    REAR
    $1.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1.95
    Subtotal:
  • KYB Rear Shock Complete Seal Head - 46 mm/16 mm 120244600401

    KYB Rear Shock Complete Seal Head - 46 mm/16 mm 120244600401

    KYB

    $74.95
    Kit includes the upper shock bearing, seals, spacers, and pins (if required) to rebuild the upper shock link, Premium design and construction stands up to tough conditions, Older bearing and seal designs updated to the latest in bearing technology
    13140219
    SKU:
    13140219
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    COLOR/FINISH:
    BLACK
    OUTSIDE DIAMETER IMPERIAL:
    1.81'
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    CHROME
    INSIDE DIAMETER IMPERIAL:
    0.63'
    MOUNTING POSITION:
    REAR
    TYPE:
    SHOCK PISTON
    UNITS:
    EACH
    PRODUCT NAME:
    SEAL KIT
    $74.95
    Qty in Cart: 0
    Quantity:
    Price:
    $74.95
    Subtotal:
  • KYB Rear Shock Piston Ring - 50 mm 120215000101

    KYB Rear Shock Piston Ring - 50 mm 120215000101

    KYB

    $12.95
    OE Replacement
    13140220
    SKU:
    13140220
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    UNITS:
    EACH
    OUTSIDE DIAMETER IMPERIAL:
    1.97'
    TYPE:
    SHOCK
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    OFF-ROAD
    HEIGHT IMPERIAL:
    0.47'
    MOUNTING POSITION:
    REAR
    $12.95
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • KYB Rear Shock Piston O-Ring - 50 mm 120225000201

    KYB Rear Shock Piston O-Ring - 50 mm 120225000201

    KYB

    $1.95
    Rear Shock Piston O-Rings
    13140221
    SKU:
    13140221
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    OUTSIDE DIAMETER IMPERIAL:
    1.97'
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    PISTON RING
    HEIGHT IMPERIAL:
    0.10'
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SHOCK
    UNITS:
    EACH
    $1.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1.95
    Subtotal:
  • KYB Shock Bumper Rubber - Rear - 16 mm 120341600101

    KYB Shock Bumper Rubber - Rear - 16 mm 120341600101

    KYB

    $13.95
    Improve bottoming feel and wear life
    13140431
    SKU:
    13140431
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    TAN
    MOUNTING POSITION:
    REAR
    TYPE:
    SHOCK
    INSIDE DIAMETER IMPERIAL:
    0.63'
    MATERIAL:
    RUBBER
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    BUMPER
    UNITS:
    EACH
    $13.95
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • KYB Rear Shock Piston Ring - 46 mm 120214400201

    KYB Rear Shock Piston Ring - 46 mm 120214400201

    KYB

    $11.95
    OE Replacement
    13140692
    SKU:
    13140692
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    OFF-ROAD
    MOUNTING POSITION:
    REAR
    TYPE:
    SHOCK
    OUTSIDE DIAMETER IMPERIAL:
    1.81'
    UNITS:
    EACH
    $11.95
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  • KYB Shock Bumper Rubber - Rear - 16 mm 120341600201

    KYB Shock Bumper Rubber - Rear - 16 mm 120341600201

    KYB

    $13.95
    Improve bottoming feel and wear life
    13140100
    SKU:
    13140100
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    RUBBER
    MOUNTING POSITION:
    REAR
    TYPE:
    SHOCK
    COLOR/FINISH:
    YELLOW
    INSIDE DIAMETER IMPERIAL:
    0.63'
    PRODUCT NAME:
    BUMPER
    UNITS:
    EACH
    $13.95
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • KYB Rear Shock O-Ring for Seal Head - 46 mm 120314600101

    KYB Rear Shock O-Ring for Seal Head - 46 mm 120314600101

    KYB

    $1.95
    OE Replacement
    13140097
    SKU:
    13140097
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    OUTSIDE DIAMETER IMPERIAL:
    1.81'
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    O-RING SEAL KIT
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SHOCK PISTON
    $1.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1.95
    Subtotal:
  • KYB Rear Shock Service Kit - 46 mm/16 mm 129994600501

    KYB Rear Shock Service Kit - 46 mm/16 mm 129994600501

    KYB

    $67.95
    Include all necessary parts for a complete rear suspension rebuild
    13140111
    SKU:
    13140111
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    COLOR/FINISH:
    TAN
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    SHOCK
    UNITS:
    EACH
    INSIDE DIAMETER IMPERIAL:
    0.63'
    OUTSIDE DIAMETER IMPERIAL:
    1.81'
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    $67.95
    Qty in Cart: 0
    Quantity:
    Price:
    $67.95
    Subtotal:
  • KYB Rear Shock Bladder - 40 mm/88 mm 120104000101

    KYB Rear Shock Bladder - 40 mm/88 mm 120104000101

    KYB

    $15.95
    OE replacement
    13140055
    SKU:
    13140055
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    BLADDER
    TYPE:
    SHOCK
    UNITS:
    EACH
    OUTSIDE DIAMETER IMPERIAL:
    3.47'
    COLOR/FINISH:
    BLACK
    INSIDE DIAMETER IMPERIAL:
    1.58'
    RIDING STYLE:
    OFF-ROAD
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • PROGRESSIVE SUSPENSION Shock Springs - 12-Series - Chrome - 70-120 lb/in 03-1394C

    PROGRESSIVE SUSPENSION Shock Springs - 12-Series - Chrome - 70-120 lb/in 03-1394C

    PROGRESSIVE SUSPENSION

    $117.95
    12 series shocks are gas-charged for superior, fade-free damping and consistent operation, Six-stage, automatic damping - designed with a special anti-topping function, Double-wall shock body construction for piston protection and long life, Standard...
    DS222014
    SKU:
    DS222014
    Availability:
    Ships Same Business Day
    Weight:
    3.94 LBS
    UNITS:
    PAIR
    DUTY:
    STANDARD
    PROGRESSIVE SPRING RATE IMPERIAL:
    75.00 LB/IN - 120.00 LB/IN
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    SHOCK SPRING
    PROGRESSIVE SPRING RATE METRIC:
    1.34 KG/MM - 2.14 KG/MM
    RIDING STYLE:
    STREET
    TYPE:
    FITS 12.50', 13.00', 13.50' AND 14.25' SHOCK
    LENGTH IMPERIAL:
    9.75'
    MODEL:
    12 SERIES
    MOUNTING POSITION:
    REAR
    SPRING TYPE:
    SINGLE PROGRESSIVE RATE
    Qty in Cart: 0
    Quantity:
    Price:
    $117.95
    Subtotal:
  • PROGRESSIVE SUSPENSION Shock Springs - 12-Series - Chrome - 105-150 lb/in 03-1368C

    PROGRESSIVE SUSPENSION Shock Springs - 12-Series - Chrome - 105-150 lb/in 03-1368C

    PROGRESSIVE SUSPENSION

    $117.95
    12 series shocks are gas-charged for superior, fade-free damping and consistent operation, Six-stage, automatic damping - designed with a special anti-topping function, Double-wall shock body construction for piston protection and long life, Standard...
    DS222016
    SKU:
    DS222016
    Availability:
    Ships Same Business Day
    Weight:
    4.00 LBS
    COLOR/FINISH:
    CHROME
    LENGTH IMPERIAL:
    9.37'
    UNITS:
    PAIR
    PROGRESSIVE SPRING RATE METRIC:
    1.88 KG/MM - 2.68 KG/MM
    RIDING STYLE:
    OFF-ROAD
    SPRING TYPE:
    SINGLE PROGRESSIVE RATE
    PRODUCT NAME:
    SHOCK SPRING
    DUTY:
    HEAVY DUTY
    MODEL:
    12 SERIES
    MOUNTING POSITION:
    REAR
    PROGRESSIVE SPRING RATE IMPERIAL:
    105.00 LB/IN - 150.00 LB/IN
    RIDING STYLE:
    STREET
    TYPE:
    FITS 12.50', 13.00', 13.50' AND 14.25' SHOCK
    $117.95
    Qty in Cart: 0
    Quantity:
    Price:
    $117.95
    Subtotal:
  • LONE STAR RACING/TECH 5 IND. Rear Swingarm - Black - Extends 4" 15-4220041121

    LONE STAR RACING/TECH 5 IND. Rear Swingarm - Black - Extends 4" 15-4220041121

    LONE STAR RACING/TECH 5 IND.

    $854.70
    Super strong, TIG-welded 4130 chromoly steel swingarms withstand the punishment of racing and aggressive riding, Shorter swingarms improve steering agility; longer swingarms provide enhanced stability and traction, Feature round housing for easy chain...
    13010056
    SKU:
    13010056
    Availability:
    Ships Same Business Day
    Weight:
    18.99 LBS
    PRODUCT NAME:
    SWINGARM
    RIDING STYLE:
    UTV
    SWINGARM LENGTH METRIC:
    EXTENDS 102.00 MM
    MATERIAL:
    STEEL
    SWINGARM LENGTH:
    EXTENDS 102,00 MM (4,00')
    UNITS:
    EACH
    COLOR/FINISH:
    GRAY
    MOUNTING POSITION:
    REAR
    $854.70
    Qty in Cart: 0
    Quantity:
    Price:
    $854.70
    Subtotal:
  • LONE STAR RACING/TECH 5 IND. Rear Swingarm - Silver - Standard 15-5020001121

    LONE STAR RACING/TECH 5 IND. Rear Swingarm - Silver - Standard 15-5020001121

    LONE STAR RACING/TECH 5 IND.

    $966.00
    Super strong, TIG-welded 4130 chromoly steel swingarms withstand the punishment of racing and aggressive riding, Shorter swingarms improve steering agility; longer swingarms provide enhanced stability and traction, Feature round housing for easy chain...
    13010079
    SKU:
    13010079
    Availability:
    Ships Same Business Day
    Weight:
    16.28 LBS
    PRODUCT NAME:
    SWINGARM
    RIDING STYLE:
    UTV
    SWINGARM LENGTH:
    STANDARD
    SWINGARM LENGTH METRIC:
    STANDARD
    COLOR/FINISH:
    GRAY
    MOUNTING POSITION:
    REAR
    MATERIAL:
    STEEL
    UNITS:
    EACH
    $966.00
    Qty in Cart: 0
    Quantity:
    Price:
    $966.00
    Subtotal:
  • LONE STAR RACING/TECH 5 IND. Heavy-Duty Swingarm Pivot Bolt 21P11322

    LONE STAR RACING/TECH 5 IND. Heavy-Duty Swingarm Pivot Bolt 21P11322

    LONE STAR RACING/TECH 5 IND.

    $77.70
    Machined from industrial-grade hardened steel that is zinc-coated to resist corrosion, Twice as strong as OEM bolts, Designed to fit stock quad; use stock locking nut
    13020041
    SKU:
    13020041
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    COLOR/FINISH:
    RAW
    RIDING STYLE:
    ATV
    TYPE:
    SWINGARM
    UNITS:
    EACH
    MATERIAL:
    STEEL
    PRODUCT NAME:
    BOLT
    RIDING STYLE:
    UTV
    STYLE:
    PIVOT
    Qty in Cart: 0
    Quantity:
    Price:
    $77.70
    Subtotal:
  • KYB Rear Shock Spring - Black - Spring Rate 285.99 lbs/in 120535000401

    KYB Rear Shock Spring - Black - Spring Rate 285.99 lbs/in 120535000401

    KYB

    $164.95
    Rear shock springs
    13120448
    SKU:
    13120448
    Availability:
    Ships Same Business Day
    Weight:
    3.40 LBS
    LENGTH IMPERIAL:
    10.25'
    LINEAR SPRING RATE IMPERIAL:
    285.59 LB/IN
    MOUNTING POSITION:
    REAR
    TYPE:
    SHOCK
    PRODUCT NAME:
    SPRING
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    SILVER
    UNITS:
    EACH
    $164.95
    Qty in Cart: 0
    Quantity:
    Price:
    $164.95
    Subtotal:
  • KYB Shock Bladder - Rear - 46 mm/103 mm 120104600201

    KYB Shock Bladder - Rear - 46 mm/103 mm 120104600201

    KYB

    $15.95
    OE replacement
    13140056
    SKU:
    13140056
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    BLADDER
    TYPE:
    SHOCK
    UNITS:
    EACH
    INSIDE DIAMETER IMPERIAL:
    1.81'
    OUTSIDE DIAMETER IMPERIAL:
    4.06'
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • KYB Shock Bumper Rubber - Rear - 12.5 mm 120341200101

    KYB Shock Bumper Rubber - Rear - 12.5 mm 120341200101

    KYB

    $13.95
    Improve bottoming feel and wear life
    13140098
    SKU:
    13140098
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    YELLOW
    INSIDE DIAMETER IMPERIAL:
    0.49'
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    SHOCK
    MATERIAL:
    RUBBER
    PRODUCT NAME:
    BUMPER
    UNITS:
    EACH
    MOUNTING POSITION:
    REAR
    $13.95
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

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!

Sarah L. - 08/24

Fast Shipping!!

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!

Jake M. - 05/21

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