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
- Moose Offroad Lowering Pull Rod 0419-0022 – Adjustable aluminum rod for lowering rear suspension; fits Honda CRF and Yamaha YZ for improved ergonomics.
- Moose Racing Swingarm Bearing Kit 28-1231 – Complete sealed bearing kit for swingarms; smooth rotation on Kawasaki KX models.
- Factory Connection Shock Spring ANB-0034 – Progressive rear shock spring for Factory Connection shocks; tunes damping for KTM SX.
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
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KYB Rear Shock Complete Seal Head - 46 mm/16 mm 120244600501
KYB
$72.95Worn-out shock seals and bearings don't just reduce performance—they compromise your suspension's ability to handle track demands and rough terrain. The KYB Rear Shock Complete Seal Head kit gives...13140077- SKU:
- 13140077
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- CHROME
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- PRODUCT NAME:
- SEAL KIT
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK PISTON
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
$72.95 -
KYB Rear Shock Complete Seal Head - 46 mm/16 mm 120244600201
KYB
$79.95When your rear shocks lose their precision, suspension geometry suffers and handling becomes unpredictable—exactly when you can't afford it. This KYB complete seal head rebuild kit restores your...13140078- SKU:
- 13140078
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- TYPE:
- SHOCK PISTON
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- INSIDE DIAMETER IMPERIAL:
- 0.63'
$79.95 -
KYB Rear Shock Complete Seal Head - 46 mm/18 mm 120244600601
KYB
$79.95Worn or damaged upper shock bearings and seals compromise suspension geometry and introduce unwanted play into your chassis—directly affecting handling precision and tire wear. The KYB Rear Shock...13140079- SKU:
- 13140079
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- CHROME
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- TYPE:
- SHOCK PISTON
- INSIDE DIAMETER IMPERIAL:
- 0.709'
$79.95 -
KYB Rear Shock Bushing - 12.5 mm 120291200101
KYB
$4.95Worn shock bushings compromise your vehicle's suspension geometry and create unwanted movement in the chassis, leading to poor handling response and accelerated wear on other suspension components...13140085- SKU:
- 13140085
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.49'
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- HEIGHT IMPERIAL:
- 0.47'
- PRODUCT NAME:
- BUSHING
- OUTSIDE DIAMETER IMPERIAL:
- 0.59'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
$4.95 -
KYB Rear Shock Bushing - 14 mm 120291400101
KYB
$4.95Worn shock bushings compromise suspension geometry and introduce unwanted movement in your rear end—directly impacting handling precision and tire contact. KYB's OE-specification bushing restores the...13140086- SKU:
- 13140086
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 1.10'
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- CHROME
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.55'
- PRODUCT NAME:
- BUSHING
- TYPE:
- SHOCK
- HEIGHT IMPERIAL:
- 0.59'
$4.95 -
KYB Rear Shock Bushing - 16 mm 120291600201
KYB
$3.95Worn shock bushings compromise suspension geometry and introduce unwanted movement in your rear end, directly impacting handling precision and tire wear. The KYB Rear Shock Bushing restores OE-spec...13140087- SKU:
- 13140087
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 0.71'
- RIDING STYLE:
- OFF-ROAD
- HEIGHT IMPERIAL:
- 0.53'
- PRODUCT NAME:
- BUSHING
- TYPE:
- SHOCK
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- INSIDE DIAMETER IMPERIAL:
- 0.63'
$3.95 -
KYB Rear Shock Bushing - 18 mm 120291800101
KYB
$4.95Worn or degraded shock bushings compromise suspension geometry and allow excessive play in your rear shock assembly, leading to poor handling response and premature wear on adjacent components...13140088- SKU:
- 13140088
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEIGHT IMPERIAL:
- 0.59'
- OUTSIDE DIAMETER IMPERIAL:
- 0.79'
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- BUSHING
- INSIDE DIAMETER IMPERIAL:
- 0.709'
- UNITS:
- EACH
- TYPE:
- SHOCK
$4.95 -
KYB Rear Shock O-Ring for Seal Head - 36 mm 120313600101
KYB
$1.95A worn or damaged rear shock seal is the first step toward loss of damping performance and fluid leakage that compromises your suspension geometry. This KYB O-ring replacement restores the integrity...13140094- SKU:
- 13140094
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK PISTON
- UNITS:
- EACH
- PRODUCT NAME:
- O-RING SEAL KIT
- MOUNTING POSITION:
- REAR
- OUTSIDE DIAMETER IMPERIAL:
- 1.42'
$1.95 -
KYB Rear Shock O-Ring for Seal Head - 40 mm 120314000101
KYB
$1.95A worn or degraded shock seal allows hydraulic fluid to seep past the piston rod, causing performance loss, noise, and potential system failure. This OE-specification O-ring restores the critical...13140095- SKU:
- 13140095
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- O-RING SEAL KIT
- OUTSIDE DIAMETER IMPERIAL:
- 1.57'
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK PISTON
$1.95 -
KYB Shock Bumper Rubber - Rear - 16 mm 120341600501
KYB
$17.95Worn shock bumpers compromise suspension geometry and allow harsh metal-to-metal contact during compression, degrading ride quality and accelerating component wear. The KYB Shock Bumper Rubber...13140420- SKU:
- 13140420
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MOUNTING POSITION:
- REAR
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- BUMPER
- COLOR/FINISH:
- TAN
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- UNITS:
- EACH
$17.95 -
KYB Shock Bumper Rubber - Rear - 16 mm 120341600801
KYB
$21.95Shock bottoming can compromise your suspension geometry and accelerate wear on critical components—this KYB rubber bumper eliminates harsh end-stroke impacts while extending shock longevity. Whether...13140421- SKU:
- 13140421
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- TAN
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- BUMPER
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- MOUNTING POSITION:
- REAR
$21.95 -
KYB Rear Shock Complete Seal Head - 50 mm/16 mm 120245000201
KYB
$79.95If your rear shocks are exhibiting play in the upper mount or showing signs of wear in the bearing assembly, a complete seal head rebuild kit is your most cost-effective solution. This KYB complete...13140214- SKU:
- 13140214
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER IMPERIAL:
- 1.97'
- TYPE:
- SHOCK PISTON
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- MOUNTING POSITION:
- REAR
$79.95 -
KYB Shock Bumper Rubber - Rear - 16 mm 120341600701
KYB
$17.95Worn-out shock bumpers lead to harsh bottoming and accelerated suspension wear—exactly what you want to avoid in a precision setup. This KYB rubber bumper restores proper shock absorption and extends...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 -
KYB Rear Shock Service Kit - 50 mm/16 mm 129995000101
KYB
$74.95Rear shock performance degrades over time due to internal seal wear and fluid breakdown, compromising your suspension's responsiveness and handling precision. This KYB service kit provides all...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 -
KYB Rear Shock O-Ring for Seal Head - 50 mm 120315000101
KYB
$1.95Shock seal integrity directly impacts your suspension's performance and longevity. A worn or damaged o-ring allows hydraulic fluid to escape, causing loss of damping force and unpredictable handling...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 -
KYB Rear Shock Complete Seal Head - 46 mm/16 mm 120244600401
KYB
$74.95Worn or damaged shock seals compromise ride quality, handling precision, and suspension longevity. This KYB complete seal head kit restores your rear shock's damping performance with OEM-quality...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 -
KYB Rear Shock Piston Ring - 50 mm 120215000101
KYB
$12.95A worn or damaged piston ring compromises your shock absorber's ability to maintain consistent damping pressure, leading to unpredictable handling and reduced suspension performance. The KYB Rear...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 -
KYB Rear Shock Piston O-Ring - 50 mm 120225000201
KYB
$1.95Worn or degraded shock piston o-rings are a primary cause of internal fluid leakage, loss of damping performance, and premature shock failure. This OEM KYB replacement o-ring restores proper seal...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 -
KYB Shock Bumper Rubber - Rear - 16 mm 120341600101
KYB
$13.95Worn shock bumpers compromise your suspension's ability to manage hard compressions, leading to harsh bottoming and accelerated component degradation. The KYB Shock Bumper Rubber restores proper...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 -
KYB Rear Shock Piston Ring - 46 mm 120214400201
KYB
$11.95Worn piston rings compromise your suspension's ability to maintain consistent damping force, leading to unpredictable handling and premature shock failure. The KYB Rear Shock Piston Ring restores...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
