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
-
KYB Shock Bumper Rubber - Rear - 16 mm 120341600201
KYB
$13.95Shock bumpers absorb the final travel of your suspension when the shock compresses fully, protecting both the shock internals and chassis from harsh bottom-out impacts. A worn or degraded bumper creates harsh engagement, accelerated wear on seals, and...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 -
KYB Rear Shock O-Ring for Seal Head - 46 mm 120314600101
KYB
$1.95Shock seal degradation is silent—until it's not. A worn O-ring lets fluid seep past the seal head, causing performance loss, fade, and eventually, catastrophic shock failure. The KYB Rear Shock O-Ring restores your suspension's integrity with a precision...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 -
KYB Rear Shock Service Kit - 46 mm/16 mm 129994600501
KYB
$67.95A worn-out rear shock compromises your suspension's ability to handle cornering loads, brake stability, and overall vehicle control—especially critical if you're pushing performance limits on track or tackling demanding terrain. This KYB service kit...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
$67.95Qty in Cart: 0Quantity:Price:$67.95Subtotal: -
KYB Rear Shock Bladder - 40 mm/88 mm 120104000101
KYB
$15.95A worn or failing rear shock bladder directly impacts your vehicle's suspension performance, handling precision, and ride quality. The KYB Rear Shock Bladder restores OE-spec damping characteristics, ensuring consistent cornering stability and bump...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 -
PROGRESSIVE SUSPENSION Shock Springs - 12-Series - Chrome - 70-120 lb/in 03-1394C
PROGRESSIVE SUSPENSION
$117.9512 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
$117.95Qty in Cart: 0Quantity:Price:$117.95Subtotal: -
PROGRESSIVE SUSPENSION Shock Springs - 12-Series - Chrome - 105-150 lb/in 03-1368C
PROGRESSIVE SUSPENSION
$117.9512 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
$117.95Qty in Cart: 0Quantity:Price:$117.95Subtotal: -
LONE STAR RACING/TECH 5 IND. Rear Swingarm - Black - Extends 4" 15-4220041121
LONE STAR RACING/TECH 5 IND.
$854.70Super 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 -
LONE STAR RACING/TECH 5 IND. Heavy-Duty Swingarm Pivot Bolt 21P11322
LONE STAR RACING/TECH 5 IND.
$77.70Machined 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 nut13020041- 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
$77.70Qty in Cart: 0Quantity:Price:$77.70Subtotal: -
KYB Rear Shock Spring - Black - Spring Rate 285.99 lbs/in 120535000401
KYB
$164.95Proper rear shock spring rates are critical for maintaining consistent suspension geometry and predictable handling throughout your performance driving. The KYB Rear Shock Spring delivers a 285.99 lbs/in spring rate that balances responsive cornering...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 -
KYB Shock Bladder - Rear - 46 mm/103 mm 120104600201
KYB
$15.95A worn or failing shock bladder compromises your suspension's ability to maintain consistent damping and ride height, leading to unpredictable handling and accelerated wear on other suspension components. The KYB Shock Bladder is an OE-equivalent...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 -
KYB Shock Bumper Rubber - Rear - 12.5 mm 120341200101
KYB
$13.95Shock bumpers are a critical wear item that directly impacts suspension comfort and longevity. When your shocks bottom out under hard braking or aggressive cornering, the rubber bumper absorbs impact energy that would otherwise damage internal components...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 -
KYB Shock Bumper Rubber - Rear - 14 mm 120341400101
KYB
$12.95Shock absorbers experience tremendous stress at their limits, and worn bump stops accelerate wear throughout your suspension system. The KYB Shock Bumper Rubber prevents metal-to-metal contact when your suspension reaches full compression, protecting...13140099- SKU:
- 13140099
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER IMPERIAL:
- 0.55'
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- BUMPER
- UNITS:
- EACH
- MATERIAL:
- RUBBER
- TYPE:
- SHOCK
$12.95 -
KYB Shock Bumper Rubber - Rear - 18 mm 120341800101
KYB
$13.95Shock bottoming is a common wear point that compromises suspension performance and longevity. This KYB rubber bumper absorbs the harshness of full compression, preventing metal-to-metal contact that degrades your shocks over time. Installing this wear...13140101- SKU:
- 13140101
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- BUMPER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- UNITS:
- EACH
- COLOR/FINISH:
- YELLOW
- INSIDE DIAMETER IMPERIAL:
- 0.709'
- MOUNTING POSITION:
- REAR
$13.95 -
KYB Rear Shock Service Kit - 36 mm/12.5 mm 129993600101
KYB
$118.95A worn-out rear shock compromises your suspension's ability to handle lateral loads, absorb impacts, and maintain consistent tire contact—all critical for lap times and daily driving safety. The KYB Rear Shock Service Kit gives you everything needed for...13140102- SKU:
- 13140102
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 1.42'
- COLOR/FINISH:
- TAN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- SHOCK
- COLOR/FINISH:
- BLACK
- INSIDE DIAMETER IMPERIAL:
- 0.49'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$118.95Qty in Cart: 0Quantity:Price:$118.95Subtotal: -
KYB Rear Shock Service Kit - 40 mm/14 mm 129994000101
KYB
$123.95A worn-out rear shock doesn't just compromise ride quality—it affects handling precision, braking stability, and tire contact during aggressive driving. This KYB service kit gives you everything needed for a complete rear suspension rebuild, restoring...13140104- SKU:
- 13140104
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- TAN
- OUTSIDE DIAMETER IMPERIAL:
- 1.58'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.55'
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
$123.95 -
KYB Rear Shock Service Kit - 46 mm/16 mm 129994600101
KYB
$126.95Keeping your rear suspension responsive and predictable requires routine maintenance—this KYB service kit gives you all the components needed for a complete rebuild without sourcing parts individually. Whether you're maintaining a track car or refreshing...13140105- SKU:
- 13140105
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- COLOR/FINISH:
- TAN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- SHOCK
- UNITS:
- EACH
$126.95 -
KYB Rear Shock Service Kit - 46 mm/16 mm 129994600201
KYB
$128.95A worn rear shock compromises both handling precision and ride quality, directly impacting lap times and driver confidence. This KYB service kit delivers OEM-equivalent internals and seals, restoring your suspension to factory specifications without the...13140108- SKU:
- 13140108
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 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
$128.95Qty in Cart: 0Quantity:Price:$128.95Subtotal: -
KYB Rear Shock Service Kit - 46 mm/16 mm 129994600301
KYB
$68.95A worn rear shock compromises both handling precision and ride quality, directly affecting your lap times and driving consistency. This KYB service kit supplies every component needed for a complete rebuild, restoring your suspension to OEM performance...13140109- SKU:
- 13140109
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- TAN
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- UNITS:
- EACH
$68.95 -
KYB Rear Shock Service Kit - 46 mm/16 mm 129994600401
KYB
$66.95A worn rear shock doesn't just compromise ride quality—it degrades handling precision, accelerates suspension wear, and puts your lap times at risk. The KYB Rear Shock Service Kit gives you everything needed for a complete rebuild, restoring OEM...13140110- SKU:
- 13140110
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- TAN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- SHOCK
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER IMPERIAL:
- 0.63'
$66.95 -
KYB Rear Shock Service Kit - 46 mm/16 mm 129994600601
KYB
$67.95A worn-out rear shock compromises handling, comfort, and safety—especially under demanding track conditions or aggressive driving. This KYB service kit gives you a complete rebuild solution without replacing the entire shock body, saving you money while...13140112- SKU:
- 13140112
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- TAN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- SHOCK
- COLOR/FINISH:
- BLACK
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- UNITS:
- EACH
$67.95
