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 Air Valve Complete with O-Ring 120130000101
KYB
$9.95A failing rear shock air valve compromises your suspension's ability to maintain consistent damping and ride height, directly impacting handling precision and tire contact. This OE replacement valve restores your KYB shock to factory performance...13140061- SKU:
- 13140061
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- CHROME
$9.95 -
KYB Rear Shock Piston Ring - 36 mm 120213600101
KYB
$15.95A worn or damaged piston ring compromises shock damping performance, leading to inconsistent suspension response and reduced handling precision. The KYB 36 mm piston ring restores OE-specification dampening characteristics, ensuring your suspension...13140063- SKU:
- 13140063
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEIGHT IMPERIAL:
- 0.32'
- MOUNTING POSITION:
- REAR
- TYPE:
- SHOCK
- OUTSIDE DIAMETER IMPERIAL:
- 1.42'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$15.95 -
KYB Rear Shock Piston Ring - 40 mm 120214000401
KYB
$15.95A worn or damaged piston ring compromises your shock absorber's ability to maintain consistent damping pressure, leading to unpredictable handling and reduced suspension performance. This OE-specification KYB replacement ring restores the precise seal...13140064- SKU:
- 13140064
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- SHOCK
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- HEIGHT IMPERIAL:
- 0.47'
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER IMPERIAL:
- 1.57'
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
KYB Rear Shock Piston Ring - 44 mm 120214400101
KYB
$15.95A worn or damaged piston ring compromises shock damping performance, leading to inconsistent suspension response and reduced handling predictability. The KYB Rear Shock Piston Ring restores OE-specification damping characteristics, ensuring your...13140065- SKU:
- 13140065
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 1.73'
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- PISTON RING
- COLOR/FINISH:
- BLACK
- HEIGHT IMPERIAL:
- 0.39'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- UNITS:
- EACH
$15.95 -
KYB Rear Shock Piston Ring - 46 mm 120214600201
KYB
$11.95A worn or damaged piston ring in your rear shock directly compromises damping performance, leading to inconsistent suspension response and reduced control under braking and cornering. KYB's OE-replacement piston ring restores factory-spec sealing and...13140066- SKU:
- 13140066
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- UNITS:
- EACH
- HEIGHT IMPERIAL:
- 0.47'
- PRODUCT NAME:
- PISTON RING
$11.95 -
KYB Rear Shock Piston O-Ring - 36 mm 120223600101
KYB
$1.95A worn or damaged piston o-ring is one of the most common reasons for rear shock fluid loss and performance degradation. This OEM KYB replacement o-ring restores proper seal integrity, eliminating internal leakage and maintaining consistent damping force...13140067- SKU:
- 13140067
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEIGHT IMPERIAL:
- 0.16'
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- PISTON RING
- OUTSIDE DIAMETER IMPERIAL:
- 1.42'
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
$1.95 -
KYB Shock Bladder - Rear - 46 mm/88 mm 120104600101
KYB
$16.95A worn shock bladder compromises your suspension's ability to manage pressure and maintain consistent damping performance. The KYB Shock Bladder restores OE-spec functionality, ensuring your rear suspension responds predictably under braking, cornering,...13140057- SKU:
- 13140057
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- BLADDER
- TYPE:
- SHOCK
- OUTSIDE DIAMETER IMPERIAL:
- 3.47'
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- INSIDE DIAMETER IMPERIAL:
- 1.81'
- RIDING STYLE:
- OFF-ROAD
$16.95 -
KYB Shock Bladder - Rear - 50 mm/90 mm 120105000101
KYB
$15.95A worn or compromised shock bladder degrades suspension performance, leading to inconsistent damping and poor ride quality. KYB's OE-replacement bladder restores your suspension's responsiveness and stability, ensuring predictable handling both on the...13140058- SKU:
- 13140058
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- INSIDE DIAMETER IMPERIAL:
- 1.97'
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- BLADDER
- TYPE:
- SHOCK
- OUTSIDE DIAMETER IMPERIAL:
- 3.54'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
KYB Rear Shock Piston O-Ring - 40 mm 120224000101
KYB
$1.95A worn or damaged piston o-ring compromises shock damping performance and can lead to internal fluid leakage, reducing your suspension's ability to control weight transfer and maintain consistent handling. The KYB Rear Shock Piston O-Ring is a precision...13140068- SKU:
- 13140068
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- HEIGHT IMPERIAL:
- 0.08'
- OUTSIDE DIAMETER IMPERIAL:
- 1.58'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- PISTON RING
$1.95 -
KYB Rear Shock Piston O-Ring - 44 mm 120224400101
KYB
$1.95Shock piston o-rings are critical sealing components that prevent hydraulic fluid leakage and maintain consistent damping performance under extreme track conditions. A worn or damaged o-ring compromises your suspension's ability to control wheel...13140069- SKU:
- 13140069
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- SHOCK
- UNITS:
- EACH
- OUTSIDE DIAMETER IMPERIAL:
- 1.73'
- COLOR/FINISH:
- BLACK
- HEIGHT IMPERIAL:
- 0.08'
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
$1.95 -
KYB Rear Shock Piston O-Ring - 46 mm 120224600101
KYB
$1.95A worn or damaged piston o-ring compromises shock absorber performance, leading to fluid leakage, reduced damping control, and unpredictable handling characteristics on track or street. The KYB Rear Shock Piston O-Ring is a direct OEM replacement...13140070- SKU:
- 13140070
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- SHOCK
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- HEIGHT IMPERIAL:
- 0.08'
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON RING
$1.95 -
KYB Rear Shock Complete Seal Head - 36 mm/12.5 mm 120243600401
KYB
$65.95Worn rear shock seals and bearings compromise suspension performance and increase maintenance costs. This complete KYB seal head kit restores proper damping response and eliminates play in your upper shock mount with OEM-quality components designed for...13140071- SKU:
- 13140071
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MOUNTING POSITION:
- REAR
- OUTSIDE DIAMETER IMPERIAL:
- 1.42'
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- BLACK
- INSIDE DIAMETER IMPERIAL:
- 0.49'
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK PISTON
- UNITS:
- EACH
$65.95Qty in Cart: 0Quantity:Price:$65.95Subtotal: -
HIGHLIFTER Lift Kit - 2.00" - Front/Back 73-13328
HIGH LIFTER
$115.95If you're running stock suspension on rough terrain, you're leaving performance on the table. The HIGHLIFTER 2.00" Lift Kit delivers the ground clearance you need to clear obstacles, reduce drivetrain strain, and maintain momentum through mud, snow, and...13040564- SKU:
- 13040564
- Availability:
- Ships Same Business Day
- Weight:
- 5.25 LBS
- COLOR/FINISH:
- ZINC PLATED
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- UTV
- HEIGHT ADJUSTMENT IMPERIAL:
- LIFTS 2.00'
- PRODUCT NAME:
- LIFT KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- MOUNTING POSITION:
- FRONT
- TYPE:
- STANDARD
$115.95 -
PROGRESSIVE SUSPENSION Shock Springs - 12-Series - Chrome - 90-130 lb/in 03-1367C
PROGRESSIVE SUSPENSION
$117.95Progressive's 12-Series shocks deliver consistent, fade-free performance through gas-charged damping and advanced six-stage automatic adjustment—critical for maintaining predictable handling during extended rides or aggressive use. The double-wall shock...DS222015- SKU:
- DS222015
- Availability:
- Ships Same Business Day
- Weight:
- 3.85 LBS
- PROGRESSIVE SPRING RATE IMPERIAL:
- 90.00 LB/IN - 130.00 LB/IN
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- STREET
- TYPE:
- FITS 12.50', 13.00', 13.50' AND 14.25' SHOCK
- DUTY:
- STANDARD
- LENGTH IMPERIAL:
- 9.37'
- PROGRESSIVE SPRING RATE METRIC:
- 1.61 KG/MM - 2.32 KG/MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- MODEL:
- 12 SERIES
- SPRING TYPE:
- SINGLE PROGRESSIVE RATE
$117.95Qty in Cart: 0Quantity:Price:$117.95Subtotal: -
PROGRESSIVE SUSPENSION Shock Springs - 13-Series - Black - 65-130 lb/in 03-1321B
PROGRESSIVE SUSPENSION
$117.95If you're pushing your dual-sport or off-road bike beyond stock limits—whether that's extra rider weight, frequent passenger duty, or aftermarket accessories—your suspension needs to match that demand. Progressive's 13-Series shocks deliver fade-free...PS1321B- SKU:
- PS1321B
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
- LENGTH IMPERIAL:
- 12.00'
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- PROGRESSIVE SPRING RATE IMPERIAL:
- 65.00 LB/IN - 130.00 LB/IN
- SPRING TYPE:
- DUAL LINEAR RATE
- PRODUCT NAME:
- SPRING
- DUTY:
- STANDARD
- MODEL:
- 13 SERIES
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- UNITS:
- PAIR
$117.95Qty in Cart: 0Quantity:Price:$117.95Subtotal: -
DEVOL Lowering Link - Lowers 1.25" - Black 0115-2502
DEVOL
$229.95Rear-end instability under acceleration or cornering robs you of lap time and confidence. The DEVOL Lowering Link addresses this directly by lowering your bike's center of gravity, improving front-end grip and rear-wheel tracking at all speeds. You'll...13040388- SKU:
- 13040388
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LOWERING LINK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.25'
- MATERIAL:
- ALUMINUM
$229.95 -
DEVOL Lowering Link - Lowers 1.25" - Black 0115-5101
DEVOL
$229.95If you're running a bike that sits too high or handles unpredictably at speed, a lowering link directly addresses both issues by dropping your rear end and improving chassis geometry. The DEVOL lowering link shifts your bike's weight distribution...13040390- SKU:
- 13040390
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.25'
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LOWERING LINK
- RIDING STYLE:
- OFF-ROAD
$229.95 -
DEVOL Lowering Link - Lowers 1.25" - Black 0115-5501
DEVOL
$229.95Handling dynamics change dramatically when your bike's geometry is optimized for your riding style and suspension setup. The DEVOL Lowering Link addresses a fundamental chassis tuning need: precise ride height adjustment that improves stability and...13040391- SKU:
- 13040391
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.25'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- LOWERING LINK
$229.95 -
DEVOL Lowering Link - Lowers 0.75"/1.25" - Black 0115-5502
DEVOL
$229.95If you're looking to dial in your bike's handling characteristics, rear ride height plays a critical role in your suspension geometry and overall stability. The DEVOL Lowering Link delivers measurable improvements in rear-end tracking and front-end...13040392- SKU:
- 13040392
- Availability:
- Ships Same Business Day
- Weight:
- 1.14 LBS
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.25'
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- LOWERING LINK
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- BLACK
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 0.75'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
DEVOL Transformer Pull Rod 0116-1201
DEVOL
$259.95The DEVOL Transformer Pull Rod 0116-1201 delivers measurable improvements in rear suspension compliance and front-end stability by replacing your stock unit with a lighter, stronger component. This bolt-on upgrade softens rear suspension response without...13040393- SKU:
- 13040393
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- LOWERING KIT
- TYPE:
- PULL ROD
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- MODEL:
- TRANSFORMER
- MOUNTING POSITION:
- REAR
$259.95
