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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FACTORY CONNECTION Shock Spring - Spring Rate 295 lbs/in AAL-0053
FACTORY CONNECTION
$159.95Suspension performance hinges on spring consistency, and this Factory Connection shock spring delivers the precision engineering required for predictable handling and repeatability across every lap. Built with cold-wound CNC accuracy and heat-tempered...AAL0053- SKU:
- AAL0053
- Availability:
- Ships Same Business Day
- Weight:
- 4.63 LBS
- COLOR/FINISH:
- SHOT PEENED
- SPRING TYPE:
- SINGLE LINEAR RATE
- UNITS:
- EACH
- LINEAR SPRING RATE IMPERIAL:
- 295.00 LB/IN
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Shock Spring - Spring Rate 308 lbs/in AAL-0055
FACTORY CONNECTION
$159.95A properly tuned suspension starts with the right spring rate, and the Factory Connection 308 lbs/in shock spring delivers consistent, predictable performance across varied track conditions. Whether you're dialing in a dirt bike setup or fine-tuning your...AAL0055- SKU:
- AAL0055
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
- PRODUCT NAME:
- SHOCK SPRING
- UNITS:
- EACH
- COLOR/FINISH:
- SHOT PEENED
- RIDING STYLE:
- OFF-ROAD
- SPRING TYPE:
- SINGLE LINEAR RATE
- LINEAR SPRING RATE IMPERIAL:
- 308.00 LB/IN
- MOUNTING POSITION:
- REAR
$159.95 -
FACTORY CONNECTION Shock Spring - Spring Rate 319.19 lbs/in AAL-0057
FACTORY CONNECTION
$159.95Precision shock springs are the foundation of predictable suspension geometry—without proper spring rates, even the best dampers and geometry can't deliver consistent performance. The FACTORY CONNECTION Shock Spring (AAL-0057) is engineered for racers...AAL0057- SKU:
- AAL0057
- Availability:
- Ships Same Business Day
- Weight:
- 4.56 LBS
- PRODUCT NAME:
- SHOCK SPRING
- COLOR/FINISH:
- SHOT PEENED
- RIDING STYLE:
- OFF-ROAD
- SPRING TYPE:
- SINGLE LINEAR RATE
- UNITS:
- EACH
- LINEAR SPRING RATE IMPERIAL:
- 319.19 LB/IN
- MOUNTING POSITION:
- REAR
$159.95 -
FACTORY CONNECTION Shock Spring - Spring Rate 330 lbs/in AAL-0059
FACTORY CONNECTION
$159.95A properly-tuned shock spring is foundational to suspension performance—it directly affects ride height, load transfer, and how your vehicle responds under acceleration and braking. The FACTORY CONNECTION 330 lbs/in spring delivers precise rate...AAL0059- SKU:
- AAL0059
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SHOCK SPRING
- UNITS:
- EACH
- COLOR/FINISH:
- SHOT PEENED
- LINEAR SPRING RATE IMPERIAL:
- 330.00 LB/IN
- MOUNTING POSITION:
- REAR
- SPRING TYPE:
- SINGLE LINEAR RATE
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION High-Speed Compression Damping Adjuster Spring HSSK08
FACTORY CONNECTION
$19.95When you're attacking technical terrain at speed, your suspension needs to respond instantly to unpredictable impacts—roots, rocks, and square-edged holes demand precision damping that keeps your shock from wallowing through the stroke. The FACTORY...13120196- SKU:
- 13120196
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SPRING
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
$19.95Qty in Cart: 0Quantity:Price:$19.95Subtotal: -
XTRIG Shock Pre-Load Adjuster 500010500301
XTRIG
$202.95Race-day setup changes demand speed and precision—the XTRIG Shock Pre-Load Adjuster eliminates fumbling with traditional preload rings and lets you dial in sag adjustments in seconds. By leveraging the shock body's existing threads with a mechanical...13120551- SKU:
- 13120551
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- SHOCK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- ADJUSTER HOUSING
$202.95 -
XTRIG Shock Pre-Load Adjuster 500010200201
XTRIG
$178.95Race sag adjustments shouldn't cost you pit time or require specialized tools. The XTRIG Shock Pre-Load Adjuster replaces traditional preload rings with a mechanical system that lets you dial in suspension geometry in seconds, keeping your focus on track...13120454- SKU:
- 13120454
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- ORANGE
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- ADJUSTER HOUSING
- TYPE:
- SHOCK
- UNITS:
- EACH
$178.95Qty in Cart: 0Quantity:Price:$178.95Subtotal: -
SDI Linkage Arm - Orange SDECLAK16-ORG
SDI
$472.95If you're tired of your bike pitching under acceleration and diving under braking, the SDI Linkage Arm is engineered to eliminate that front-to-back rocking that kills your chassis control. By stiffening the initial curve of your suspension, this...13020708- SKU:
- 13020708
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
$472.95Qty in Cart: 0Quantity:Price:$472.95Subtotal: -
SDI Linkage Arm - Blue SDECLAY10-BLU
SDI
$449.95If you're experiencing excessive front-to-back rocking or harsh bottoming during deep suspension stroke, the SDI Linkage Arm directly addresses these issues by stiffening the initial curve of your suspension geometry. This precision-machined component...13020710- SKU:
- 13020710
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$449.95Qty in Cart: 0Quantity:Price:$449.95Subtotal: -
SDI Lowering Pull Rod - Blue SDECPRKX85L-BLU
SDI
$62.95If you're running a bike that feels unsettled under acceleration or wallows through mid-corner transitions, your suspension geometry is working against you. The SDI Lowering Pull Rod addresses this by stiffening the initial curve of your suspension,...13041066- SKU:
- 13041066
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Black SDESBC52B-S
SDI
$66.95If you're running a performance suspension setup, shock temperature management and consistent feel across your suspension travel directly impact lap times and ride quality. The SDI Bladder Cap increases shock volume to deliver a more linear pressure...13140700- SKU:
- 13140700
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$66.95Qty in Cart: 0Quantity:Price:$66.95Subtotal: -
SDI Bladder Cap - Blue SDESBC85BLU
SDI
$62.95If you're running a performance suspension setup, shock thermal management directly impacts your lap times and ride consistency. The SDI Bladder Cap increases shock volume for more linear damping characteristics while actively cooling your system under...13140706- SKU:
- 13140706
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Red SDESBC85R
SDI
$62.95Shock performance hinges on thermal management and consistent damping characteristics—a bladder cap directly addresses both. By increasing internal volume, this cap promotes a more linear shock response throughout your suspension's travel range while...13140708- SKU:
- 13140708
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Blue SDESBCAKT16SBLU
SDI
$143.95If you're running a stock floating piston accumulator, you're dealing with unnecessary friction that degrades shock performance over time. The SDI Bladder Cap converts your suspension to a proven conventional bladder system, delivering a plusher ride,...13140713- SKU:
- 13140713
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$143.95 -
SDI Bladder Cap - Orange SDESBCAKT16SORG
SDI
$143.95If you're running a stock OEM floating piston shock, you're dealing with unnecessary friction that compromises both performance and component longevity. The SDI Bladder Cap converts your suspension to a conventional bladder system, delivering smoother...13140714- SKU:
- 13140714
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
$143.95Qty in Cart: 0Quantity:Price:$143.95Subtotal: -
SDI Bladder Cap - Orange SDESBCAKT17-ORG
SDI
$143.95If you're running an older shock with a floating piston design, you're leaving performance on the table. The SDI Bladder Cap converts that restrictive OEM setup to a true bladder system, eliminating friction and delivering the linear, consistent damping...13140716- SKU:
- 13140716
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
$143.95Qty in Cart: 0Quantity:Price:$143.95Subtotal: -
SDI Bladder Cap - Black SDESBCK250B
SDI
$62.95If you're running a performance shock system, a larger reservoir volume is critical for consistent damping performance under sustained track conditions. The SDI Bladder Cap increases your shock's fluid capacity, delivering a more linear force curve and...13140728- SKU:
- 13140728
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$62.95Qty in Cart: 0Quantity:Price:$62.95Subtotal: -
SDI Bladder Cap - Blue SDESBCK250BLU
SDI
$59.95Upgrading your shock system with a bladder cap is one of the most effective ways to refine your suspension's performance characteristics. By increasing fluid volume, this cap delivers a more linear damping curve that responds predictably across your...13140729- SKU:
- 13140729
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
MOOSE RACING Shock Spring - 63 mm OD - 54 n/mm - White 1312-0982
MOOSE RACING
$111.95Suspension geometry demands precision, and this MOOSE RACING shock spring delivers the consistent spring rate your setup requires for predictable handling across repeated cycles. The 54 N/mm rate strikes a balance between compliance and support, making...13120982- SKU:
- 13120982
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
$111.95 -
MOOSE RACING Shock Spring - 59 mm OD - 72/75/78 n/mm - White 1312-1020
MOOSE RACING
$111.95Precision shock tuning demands springs that maintain consistent spring rates across your entire suspension travel—this is where Moose Racing delivers. Built from premium chrome silicone wire and heat-treated for durability, these 59mm shock springs...13121020- SKU:
- 13121020
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
$111.95
