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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PROGRESSIVE SUSPENSION Shock Springs - 12-Series - Black - 75 lb/in 03-1387B
PROGRESSIVE SUSPENSION
$90.95Motorcycle suspension performance hinges on consistent damping control, and the Progressive 12-Series shocks deliver precisely that with gas-charged, fade-free operation across every ride. Whether you're upgrading from stock or replacing worn components,...13120400- SKU:
- 13120400
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- PROGRESSIVE SPRING RATE IMPERIAL:
- 75.00 LB/IN
- PROGRESSIVE SPRING RATE METRIC:
- 1.34 KG/MM - 2.14 KG/MM
- TYPE:
- FITS 11.50' SHOCK
- COLOR/FINISH:
- BLACK
- DUTY:
- HEAVY DUTY
- MODEL:
- 12 SERIES
- SPRING TYPE:
- SINGLE LINEAR RATE
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 9.00'
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
$90.95Qty in Cart: 0Quantity:Price:$90.95Subtotal: -
DEVOL Lowering Link - Lowers 1.25" - Black 0115-1201
DEVOL
$229.95If you're running a bike that feels loose or unpredictable through corners, a lowering link is one of the most effective geometry tweaks you can make. The DEVOL Lowering Link drops your rear end 5/8" to 1-1/2" depending on your model, which instantly...13040387- SKU:
- 13040387
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.25'
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LOWERING LINK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
DEVOL Lowering Link - Lowers 1.25"/1.75" - Black 0115-4102
DEVOL
$119.95Handling improvements begin at the rear suspension geometry. The DEVOL Lowering Link adjusts your bike's ride height while simultaneously enhancing rear-end stability and cornering precision across the entire speed range. By lowering the rear 5/8" to...13040908- SKU:
- 13040908
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LOWERING LINK
- RIDING STYLE:
- OFF-ROAD
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.25'
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.75'
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
DEVOL Lowering Link - Lowers 1.00" - Black 0115-1203
DEVOL
$229.95If your bike's handling feels vague or the rear end wanders under acceleration, a lowering link directly addresses these issues by improving suspension geometry and rear-end tracking. The DEVOL Lowering Link drops your rear 5/8" to 1-1/2"—depending on...13040536- SKU:
- 13040536
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- BLACK
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.00'
- PRODUCT NAME:
- LOWERING LINK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
LONE STAR RACING/TECH 5 IND. Heavy-Duty Swingarm Pivot Bolt 21P38322
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 nut13020042- SKU:
- 13020042
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MATERIAL:
- STEEL
- RIDING STYLE:
- UTV
- COLOR/FINISH:
- RAW
- RIDING STYLE:
- ATV
- TYPE:
- SWINGARM
- UNITS:
- EACH
- PRODUCT NAME:
- BOLT
- STYLE:
- PIVOT
$77.70Qty in Cart: 0Quantity:Price:$77.70Subtotal: -
LONE STAR RACING/TECH 5 IND. Rear Swingarm - Silver - Standard 15-2011001121
LONE STAR RACING/TECH 5 IND.
$1,080.45Super 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...13010001- SKU:
- 13010001
- Availability:
- Ships Same Business Day
- Weight:
- 19.15 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SWINGARM
- COLOR/FINISH:
- GRAY
- UNITS:
- KIT
- MATERIAL:
- STEEL
- RIDING STYLE:
- UTV
- SWINGARM LENGTH:
- STANDARD
- SWINGARM LENGTH METRIC:
- STANDARD
$1,080.45Qty in Cart: 0Quantity:Price:$1,080.45Subtotal: -
LONE STAR RACING/TECH 5 IND. Rear Swingarm - Silver - Extends 4" 15-2411041121
LONE STAR RACING/TECH 5 IND.
$1,080.45Super 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...13010004- SKU:
- 13010004
- Availability:
- Ships Same Business Day
- Weight:
- 20.70 LBS
- PRODUCT NAME:
- SWINGARM
- RIDING STYLE:
- UTV
- SWINGARM LENGTH METRIC:
- EXTENDS 102.00 MM
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SILVER
- MATERIAL:
- STEEL
- SWINGARM LENGTH:
- EXTENDS 102,00 MM (4,00')
- UNITS:
- KIT
$1,080.45Qty in Cart: 0Quantity:Price:$1,080.45Subtotal: -
LONE STAR RACING/TECH 5 IND. Rear Swingarm - Black - Extends 1" 15-4020011121
LONE STAR RACING/TECH 5 IND.
$910.35Super 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...13010019- SKU:
- 13010019
- Availability:
- Ships Same Business Day
- Weight:
- 15.95 LBS
- RIDING STYLE:
- UTV
- SWINGARM LENGTH METRIC:
- EXTENDS 25.40 MM
- PRODUCT NAME:
- SWINGARM
- UNITS:
- KIT
- MATERIAL:
- STEEL
- COLOR/FINISH:
- GRAY
- MOUNTING POSITION:
- REAR
- SWINGARM LENGTH:
- EXTENDS 25,40 MM (1,00')
$910.35Qty in Cart: 0Quantity:Price:$910.35Subtotal: -
LONE STAR RACING/TECH 5 IND. Rear Swingarm - Black - Standard 15-4320001121
LONE STAR RACING/TECH 5 IND.
$1,080.45Super 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...13010050- SKU:
- 13010050
- Availability:
- Ships Same Business Day
- Weight:
- 16.20 LBS
- COLOR/FINISH:
- GRAY
- MATERIAL:
- STEEL
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- UTV
- SWINGARM LENGTH:
- STANDARD
- SWINGARM LENGTH METRIC:
- STANDARD
- PRODUCT NAME:
- SWINGARM
$1,080.45Qty in Cart: 0Quantity:Price:$1,080.45Subtotal: -
KYB Rear Shock Spring - Red - Spring Rate 342.71 lbs/in 120535000801
KYB
$155.95A properly tuned rear suspension is critical for consistent lap times and predictable handling under load. KYB's rear shock springs are engineered to precise load specifications, ensuring your suspension geometry remains stable through corners and under...13120450- SKU:
- 13120450
- Availability:
- Ships Same Business Day
- Weight:
- 4.35 LBS
- LENGTH IMPERIAL:
- 10.25'
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPRING
- TYPE:
- SHOCK
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- LINEAR SPRING RATE IMPERIAL:
- 342.71 LB/IN
- RIDING STYLE:
- OFF-ROAD
$155.95Qty in Cart: 0Quantity:Price:$155.95Subtotal: -
KYB Rear Shock O-Ring for Seal Head - 44 mm 120314400101
KYB
$1.95A worn or damaged shock seal compromises your suspension's performance and can lead to costly internal damage. The KYB Rear Shock O-Ring for Seal Head is an OE-replacement component that restores proper sealing integrity, preventing fluid leakage and...13140096- SKU:
- 13140096
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 1.73'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK PISTON
- UNITS:
- EACH
- PRODUCT NAME:
- O-RING SEAL KIT
- MOUNTING POSITION:
- REAR
$1.95 -
KYB Rear Shock Air Valve O-Ring 120120000101
KYB
$0.95A failing air valve o-ring compromises your shock's pressure integrity, leading to inconsistent damping and unpredictable handling characteristics. This OEM KYB replacement restores proper seal function, ensuring your rear suspension performs at its...13140396- SKU:
- 13140396
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- O-RING SEAL KIT
- TYPE:
- SHOCK
- UNITS:
- EACH
$0.95Qty in Cart: 0Quantity:Price:$0.95Subtotal: -
DEVOL Lowering Link - Lowers 1.00" - Black 0115-4301
DEVOL
$119.95If you're serious about chassis dynamics, rear suspension geometry directly impacts how your bike tracks, responds, and handles under acceleration and cornering. The DEVOL Lowering Link addresses a fundamental setup variable—ride height—by dropping your...13040909- SKU:
- 13040909
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LOWERING LINK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.00'
- MOUNTING POSITION:
- REAR
- MATERIAL:
- ALUMINUM
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
DEVOL Lowering Link - Lowers 1.25" - Black 0115-1211
DEVOL
$199.95A lowered chassis geometry delivers improved handling dynamics, reduced body roll, and a more aggressive stance—critical for riders who demand precision through corners and expect their suspension to respond predictably under load. The DEVOL Lowering...13041031- SKU:
- 13041031
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- BLACK
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.25'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- LOWERING LINK
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
DEVOL Lowering Link - Lowers 1.75" 0115-2302
DEVOL
$119.95A lowering link is essential for riders looking to improve ergonomics, ground clearance management, and overall bike geometry without compromising suspension performance. This DEVOL unit delivers a precise 1.75" reduction in seat height, making it ideal...13041033- SKU:
- 13041033
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.75'
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- LOWERING LINK
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
DEVOL Lowering Link - Lowers 1.00" 0115-4705
DEVOL
$229.95Precision chassis geometry starts with suspension setup, and a 1-inch lowering link gives you the ride height adjustment needed for optimal handling dynamics. DEVOL's engineered lowering link maintains suspension geometry while dropping your center of...13041035- SKU:
- 13041035
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MOUNTING POSITION:
- REAR
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LOWERING LINK
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.00'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
DEVOL Lowering Link - Lowers 1.0" - Gray 0115-1402
DEVOL
$149.95Rear-end instability and unpredictable handling characteristics can compromise both lap times and rider confidence across a variety of track conditions. The DEVOL Lowering Link addresses this by geometrically repositioning your bike's rear end to improve...13040200- SKU:
- 13040200
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.00'
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- GRAY
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- LOWERING LINK
$149.95Qty in Cart: 0Quantity:Price:$149.95Subtotal: -
DEVOL Lowering Link - Lowers 1.5" - Blue 0115-5401
DEVOL
$199.95Handling and stability are everything when you're pushing your bike to its limits, and stock geometry often leaves performance on the table. The DEVOL Lowering Link drops your rear end up to 1.5 inches while simultaneously improving front-end stability...13040201- SKU:
- 13040201
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- COLOR/FINISH:
- BLUE
- UNITS:
- KIT
- HEIGHT ADJUSTMENT IMPERIAL:
- LOWERS 1.50'
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- LOWERING LINK
- RIDING STYLE:
- OFF-ROAD
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
On Sale
RACE TECH WP PDS Compression Needle/Tool Kit SWCN 14
RACE TECH
MSRP: $139.99Now: $125.99Was: $139.99Stock compression needles limit your damping control and force your shock to work inefficiently near full compression. The RACE TECH WP PDS Compression Needle/Tool Kit delivers progressive, consistent damping throughout the stroke—giving you the tuning...13140245- SKU:
- 13140245
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- COMPRESSION NEEDLE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- UNITS:
- EACH
MSRP: $139.99Now: $125.99Was: $139.99Qty in Cart: 0Quantity:Price:MSRP: $139.99Now: $125.99Was: $139.99Subtotal: -
On Sale
RACE TECH High-Volume Shock Reservoir Cap - 46 mm - KYB SMRC 46002
RACE TECH
MSRP: $79.99Now: $71.99Was: $79.99Shock fade during sustained track sessions costs you lap time and consistency. This billet aluminum reservoir cap increases nitrogen volume, giving your KYB shocks the thermal stability needed to maintain damping performance through multiple heat cycles...13140249- SKU:
- 13140249
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER METRIC:
- 46.00 MM
- PRODUCT NAME:
- CAP
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- SHOCK RESERVOIR
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
MSRP: $79.99Now: $71.99Was: $79.99Qty in Cart: 0Quantity:Price:MSRP: $79.99Now: $71.99Was: $79.99Subtotal:
