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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On Sale
RACE TECH Front/Rear Spring - Blue - Sport Series - Spring Rate 324 lbs/in SRSP 622858
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99If you're serious about chassis tuning, spring rate directly impacts your car's handling balance, ride height, and load transfer characteristics. The RACE TECH Sport Series delivers precise spring rates with zero variance—critical when you're chasing...SRSP622858- SKU:
- SRSP622858
- Availability:
- Ships Same Business Day
- Weight:
- 4.88 LBS
- MOUNTING POSITION:
- REAR
- LINEAR SPRING RATE IMPERIAL:
- 324.00 LB/IN
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 10.63'
- LINEAR SPRING RATE METRIC:
- 5.80 KG/MM
- COLOR/FINISH:
- BLUE
- COLOR/FINISH:
- SHOT PEENED
- MODEL:
- SPORT SERIES
MSRP: $149.99Now: $134.99Was: $149.99 -
On Sale
RACE TECH Front/Rear Spring - Blue - Sport Series - Spring Rate 336 lbs/in SRSP 622860
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99Precision suspension tuning demands springs that deliver consistent performance lap after lap without compromise. The RACE TECH Sport Series 336 lbs/in spring combines a stiff spring rate with exceptional lightweight design, giving you the responsive...SRSP622860- SKU:
- SRSP622860
- Availability:
- Ships Same Business Day
- Weight:
- 5.19 LBS
- LINEAR SPRING RATE IMPERIAL:
- 336.00 LB/IN
- MODEL:
- SPORT SERIES
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- SHOT PEENED
- MOUNTING POSITION:
- REAR
- LENGTH IMPERIAL:
- 10.63'
- LINEAR SPRING RATE METRIC:
- 6.00 KG/MM
- MOUNTING POSITION:
- FRONT
MSRP: $149.99Now: $134.99Was: $149.99 -
On Sale
RACE TECH Shock Reservoir/Bladder Conversion Kit SWBL 5206
RACE TECH
MSRP: $164.99Now: $148.49Was: $164.99Shock fade during extended track sessions compromises handling and predictability—exactly when you need it most. The RACE TECH Shock Reservoir/Bladder Conversion Kit SWBL 5206 replaces your piston-style reservoir with a larger bladder system,...13140246- SKU:
- 13140246
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- LENGTH METRIC:
- 120.00 MM
- PRODUCT NAME:
- CONVERSION KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- LENGTH IMPERIAL:
- 4.74'
- TYPE:
- SHOCK BLADDER
- INSIDE DIAMETER IMPERIAL:
- 2.05'
- MOUNTING POSITION:
- REAR
MSRP: $164.99Now: $148.49Was: $164.99Qty in Cart: 0Quantity:Price:MSRP: $164.99Now: $148.49Was: $164.99Subtotal: -
On Sale
RACE TECH High-Volume Shock Reservoir Cap - 48.5 mm - KYB SMRC 48501
RACE TECH
MSRP: $99.99Now: $89.99Was: $99.99Shock fade during sustained high-speed driving or multiple heat cycles compromises handling predictability and lap times. This billet aluminum reservoir cap increases nitrogen volume capacity, allowing your KYB shocks to maintain consistent damping force...13140250- SKU:
- 13140250
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 48.50 MM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- CAP
- TYPE:
- SHOCK RESERVOIR
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- OFF-ROAD
MSRP: $99.99Now: $89.99Was: $99.99 -
On Sale
RACE TECH Shock Spring Collar SMPC 5617561
RACE TECH
MSRP: $89.95Now: $80.96Was: $89.95Fine-tuning shock spring preload is critical for optimizing your suspension's ride height, handling balance, and overall chassis performance—especially in competitive racing environments where fractions of a second matter. The RACE TECH Shock Spring...13120544- SKU:
- 13120544
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK SPRING
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- COLLAR
- UNITS:
- PAIR
MSRP: $89.95Now: $80.96Was: $89.95Qty in Cart: 0Quantity:Price:MSRP: $89.95Now: $80.96Was: $89.95Subtotal: -
On Sale
RACE TECH Shock Dust/Oil Seal Set - 12.5 mm - Showa SSOS 125S
RACE TECH
MSRP: $39.99Now: $35.99Was: $39.99Worn dust and oil seals are a silent killer of shock performance—they allow internal fluid to escape and external contamination to enter, degrading damping characteristics and shortening absorber lifespan. The RACE TECH SSOS 125S is a...SSOS125S- SKU:
- SSOS125S
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MODEL:
- FOR SHOWA
- RIDING STYLE:
- STREET
- UNITS:
- SET
- PRODUCT NAME:
- SEAL SET
- RIDING STYLE:
- ATV
- TYPE:
- SHOCK
- COLOR/FINISH:
- BLACK
- OUTSIDE DIAMETER IMPERIAL:
- 0.98'
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER IMPERIAL:
- 0.49'
- INSIDE DIAMETER METRIC:
- 12.50 MM
MSRP: $39.99Now: $35.99Was: $39.99 -
FACTORY CONNECTION Shock Spring - Spring Rate 341 lbs/in ALA-0061
FACTORY CONNECTION
$149.99Inconsistent suspension geometry ruins lap times and component lifespan alike. This Factory Connection shock spring delivers the precision rate control you need for predictable handling and repeatable performance, whether you're dialing in a race setup...13120393- SKU:
- 13120393
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- SHOT PEENED
- RIDING STYLE:
- OFF-ROAD
- SPRING TYPE:
- SINGLE LINEAR RATE
- LINEAR SPRING RATE IMPERIAL:
- 341.00 LB/IN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
PIVOT WORKS Fork Seal Kit PWFSK-Z043
PIVOT WORKS
$64.71A worn fork seal kit compromises suspension performance, increases friction, and can lead to costly damage to your shock absorber internals. The PIVOT WORKS Fork Seal Kit PWFSK-Z043 provides a complete rebuild solution, restoring your suspension to OEM...13120905- SKU:
- 13120905
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- KIT
- TYPE:
- SHOCK
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
$64.71 -
PIVOT WORKS Shock Rebuild Kit PWSHR-Y04-000
PIVOT WORKS
$157.32Worn-out shocks degrade handling performance and ride quality, making them one of the first components to address in any suspension refresh. The PIVOT WORKS Shock Rebuild Kit restores your shocks to factory specifications without the cost of full...13140292- SKU:
- 13140292
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- SHOCK
- UNITS:
- KIT
$157.32 -
PIVOT WORKS Shock Rebuild Kit PWSHR-T04-000
PIVOT WORKS
$155.83Worn shock internals rob your suspension of damping response and ride quality—and new shocks aren't cheap. The PIVOT WORKS Shock Rebuild Kit PWSHR-T04-000 restores your existing shocks to like-new performance with a complete seal and piston assembly,...13140395- SKU:
- 13140395
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- SHOCK
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- REBUILD KIT
$155.83 -
PIVOT WORKS Linkage Rebuild Kit PWLK-H68-000
PIVOT WORKS
$135.15Worn linkage bearings and seals compromise your suspension's precision and responsiveness, leading to vague handling and accelerated wear on other components. The PIVOT WORKS Linkage Rebuild Kit PWLK-H68-000 consolidates all necessary bearing, seal, and...13020397- SKU:
- 13020397
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- COLOR/FINISH:
- UNFINISHED
- TYPE:
- SWINGARM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LINKAGE
- UNITS:
- KIT
- MATERIAL:
- STEEL
- MOUNTING POSITION:
- REAR LOWER
- PRODUCT NAME:
- BEARING KIT
$135.15 -
PIVOT WORKS Linkage Rebuild Kit PWLK-H71-000
PIVOT WORKS
$135.15Worn linkage components introduce play and imprecision into your suspension geometry, directly compromising handling response and chassis stability. This PIVOT WORKS rebuild kit restores OEM-spec bearing preload and joint integrity without sourcing...13020398- SKU:
- 13020398
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
- MOUNTING POSITION:
- REAR LOWER
- STYLE:
- LINKAGE
- UNITS:
- KIT
- COLOR/FINISH:
- UNFINISHED
- TYPE:
- SWINGARM
- MATERIAL:
- STEEL
- PRODUCT NAME:
- BEARING KIT
- RIDING STYLE:
- OFF-ROAD
$135.15 -
PIVOT WORKS Shock Bearing Kit PWSHK-K10-006
PIVOT WORKS
$41.45Worn shock bearings compromise suspension responsiveness and introduce play into your front end geometry—a problem that accelerates tire wear and reduces cornering precision. The PIVOT WORKS Shock Bearing Kit PWSHK-K10-006 restores the tight, predictable...SHKK10006- SKU:
- SHKK10006
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- BEARING KIT
- TYPE:
- SHOCK
- RIDING STYLE:
- ATV
$41.45 -
PIVOT WORKS Linkage Rebuild Kit PWLK-H67-000
PIVOT WORKS
$143.95Worn linkage bearings and seals don't just feel sloppy—they degrade your bike's handling precision and can lead to catastrophic suspension failure if left unchecked. The PIVOT WORKS Linkage Rebuild Kit PWLK-H67-000 eliminates the guesswork of sourcing...13020396- SKU:
- 13020396
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- MOUNTING POSITION:
- REAR LOWER
- PRODUCT NAME:
- BEARING KIT
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- LINKAGE
- UNITS:
- KIT
- COLOR/FINISH:
- UNFINISHED
- TYPE:
- SWINGARM
$143.95Qty in Cart: 0Quantity:Price:$143.95Subtotal: -
On Sale
RACE TECH Front/Rear Spring - Blue - Sport Series - Spring Rate 269 lbs/in SRSP 622848
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99If you're serious about dialing in your suspension geometry, you need springs engineered to exacting standards. The RACE TECH Sport Series delivers the precision accuracy and durability required for consistent lap times and predictable handling...SRSP622848- SKU:
- SRSP622848
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- MOUNTING POSITION:
- FRONT
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SHOT PEENED
- LENGTH IMPERIAL:
- 10.63'
- LINEAR SPRING RATE METRIC:
- 4.80 KG/MM
- LINEAR SPRING RATE IMPERIAL:
- 269.00 LB/IN
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- MODEL:
- SPORT SERIES
MSRP: $149.99Now: $134.99Was: $149.99 -
On Sale
RACE TECH Front/Rear Spring - Blue - Sport Series - Spring Rate 280 lbs/in SRSP 622850
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99Precision suspension tuning demands springs that deliver consistent performance lap after lap without compromise. The RACE TECH Sport Series 280 lbs/in spring combines responsive handling with the durability required in competitive environments, whether...SRSP622850- SKU:
- SRSP622850
- Availability:
- Ships Same Business Day
- Weight:
- 4.94 LBS
- COLOR/FINISH:
- BLUE
- LINEAR SPRING RATE IMPERIAL:
- 280.00 LB/IN
- MODEL:
- SPORT SERIES
- COLOR/FINISH:
- SHOT PEENED
- LENGTH IMPERIAL:
- 10.63'
- LINEAR SPRING RATE METRIC:
- 5.00 KG/MM
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
MSRP: $149.99Now: $134.99Was: $149.99 -
On Sale
RACE TECH Rear Seal Head Assembly - 46 mm ID Body x 14 mm OD Shaft SYSH 4614
RACE TECH
MSRP: $59.99Now: $53.99Was: $59.99A quality rear seal head assembly is critical for maintaining pressure integrity in high-performance engine and drivetrain systems. The RACE TECH SYSH 4614 delivers precision engineering that prevents fluid leakage under extreme racing conditions,...SYSH4614- SKU:
- SYSH4614
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.55'
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL HEAD ASSEMBLY
- RIDING STYLE:
- UTV
- TYPE:
- STANDARD
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- RIDING STYLE:
- OFF-ROAD
MSRP: $59.99Now: $53.99Was: $59.99 -
FACTORY CONNECTION Heavy-Duty Rubber Shock Bumpers - 16 mm SB16
FACTORY CONNECTION
$27.95Monotube and coilover shock absorbers need proper bottoming protection to maintain consistent damping performance and extend service life. Factory Connection's SB16 rubber bumpers prevent metal-to-metal contact during full compression, eliminating harsh...SB16- SKU:
- SB16
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- BUMPER
- TYPE:
- SHOCK
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
$27.95 -
FACTORY CONNECTION Heavy-Duty Rubber Shock Bumpers - 16 mm SB16-01
FACTORY CONNECTION
$31.95Shock bottoming impacts ride quality, suspension geometry, and component longevity—especially under extreme track conditions or heavy load scenarios. Factory Connection's Heavy-Duty Rubber Shock Bumpers eliminate harsh metal-to-metal contact, reducing...SB1601- SKU:
- SB1601
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MATERIAL:
- RUBBER
- MOUNTING POSITION:
- REAR
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- TYPE:
- SHOCK
- PRODUCT NAME:
- BUMPER
$31.95 -
FACTORY CONNECTION Heavy-Duty Rubber Shock Bumpers - 14 mm SB14
FACTORY CONNECTION
$27.95Shock bottoming is a common problem that degrades ride quality and accelerates wear on suspension components. The FACTORY CONNECTION SB14 Heavy-Duty Rubber Shock Bumpers provide progressive cushioning that absorbs impact energy, protecting your...SB14- SKU:
- SB14
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- PRODUCT NAME:
- BUMPER
- TYPE:
- SHOCK
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.55'
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
$27.95
