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
FACTORY CONNECTION Progressive Shock Spring - Spring Rate 475.98 lbs/in - 615.98 lbs/in FCW-4
FACTORY CONNECTION
MSRP: $204.95Now: $131.00Was: $204.95Progressive spring rates solve the fundamental challenge of off-road suspension: delivering plush compliance over small impacts while maintaining support during aggressive compressions. This FCW-4 spring resists bottoming out on big hits without...FCW4- SKU:
- FCW4
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- SHOCK SPRING
- SPRING TYPE:
- SINGLE PROGRESSIVE RATE
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SHOT PEENED
- PROGRESSIVE SPRING RATE IMPERIAL:
- 475.98 LB/IN - 615.98 LB/IN
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $204.95Now: $131.00Was: $204.95Qty in Cart: 0Quantity:Price:MSRP: $204.95Now: $131.00Was: $204.95Subtotal: -
FACTORY CONNECTION Shock Spring - Spring Rate 280 lbs/in ALN-0050
FACTORY CONNECTION
$159.95A properly-tuned shock spring is fundamental to suspension performance, affecting everything from ride quality to cornering grip and chassis stability. The FACTORY CONNECTION ALN-0050 delivers consistent spring rates through precision manufacturing,...ALN0050- SKU:
- ALN0050
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- PRODUCT NAME:
- SHOCK SPRING
- COLOR/FINISH:
- SHOT PEENED
- LINEAR SPRING RATE IMPERIAL:
- 280.00 LB/IN
- RIDING STYLE:
- OFF-ROAD
- SPRING TYPE:
- SINGLE LINEAR RATE
$159.95 -
FACTORY CONNECTION Shock Spring - Spring Rate 300 lbs/in ALN-0054
FACTORY CONNECTION
$159.95Whether you're dialing in suspension geometry for track performance or replacing worn springs that have lost their compliance, a properly-rated shock spring is non-negotiable for consistent handling and tire contact. The Factory Connection 300 lbs/in...ALN0054- SKU:
- ALN0054
- Availability:
- Ships Same Business Day
- Weight:
- 4.69 LBS
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- LINEAR SPRING RATE IMPERIAL:
- 300.00 LB/IN
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SHOT PEENED
- SPRING TYPE:
- SINGLE LINEAR RATE
- UNITS:
- EACH
$159.95 -
FACTORY CONNECTION Shock Spring - Spring Rate 313 lbs/in ALN-0056
FACTORY CONNECTION
$159.95Suspension performance hinges on spring consistency, and this FACTORY CONNECTION shock spring delivers precise rate control through rigorous manufacturing standards. Whether you're dialing in track geometry or fine-tuning off-road compliance, a properly...ALN0056- SKU:
- ALN0056
- Availability:
- Ships Same Business Day
- Weight:
- 4.94 LBS
- COLOR/FINISH:
- SHOT PEENED
- RIDING STYLE:
- OFF-ROAD
- SPRING TYPE:
- SINGLE LINEAR RATE
- LINEAR SPRING RATE IMPERIAL:
- 313.00 LB/IN
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
$159.95 -
FACTORY CONNECTION Shock Spring - Spring Rate 336 lbs/in ALN-0060
FACTORY CONNECTION
$159.95A precision shock spring must deliver consistent force over thousands of compression cycles without sagging or losing rate—this FACTORY CONNECTION spring is engineered for exactly that. Whether you're fine-tuning suspension geometry for a track setup or...ALN0060- SKU:
- ALN0060
- Availability:
- Ships Same Business Day
- Weight:
- 5.13 LBS
- COLOR/FINISH:
- SHOT PEENED
- MOUNTING POSITION:
- REAR
- SPRING TYPE:
- SINGLE LINEAR RATE
- LINEAR SPRING RATE IMPERIAL:
- 336.00 LB/IN
- PRODUCT NAME:
- SHOCK SPRING
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$159.95 -
FACTORY CONNECTION Shock Spring - Spring Rate 274 lbs/in AAL-0049
FACTORY CONNECTION
$159.95When your suspension demands reliability under extreme conditions, settling for mediocre springs isn't an option. The FACTORY CONNECTION Shock Spring delivers consistent, predictable performance lap after lap—engineered with precision manufacturing and...AAL0049- SKU:
- AAL0049
- Availability:
- Ships Same Business Day
- Weight:
- 4.31 LBS
- LINEAR SPRING RATE IMPERIAL:
- 274.00 LB/IN
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- SHOT PEENED
- PRODUCT NAME:
- SHOCK SPRING
- SPRING TYPE:
- SINGLE LINEAR RATE
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
$159.95 -
FACTORY CONNECTION High-Speed Compression Damping Adjuster Spring HSSS
FACTORY CONNECTION
$19.95When you're hitting high-speed technical terrain, your suspension needs to respond instantly to unpredictable impacts—roots, rocks, and square-edged holes demand immediate damping control. The FACTORY CONNECTION High-Speed Compression Damping Adjuster...HSSS- SKU:
- HSSS
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- SILVER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SPRING
- UNITS:
- EACH
$19.95Qty in Cart: 0Quantity:Price:$19.95Subtotal: -
On Sale
FACTORY CONNECTION Shock Spring - Spring Rate 246 lbs/in ALN-0044
FACTORY CONNECTION
MSRP: $159.95Now: $102.00Was: $159.95Whether you're fine-tuning suspension geometry for circuit racing or building a reliable off-road platform, selecting the correct spring rate is fundamental to chassis performance. The FACTORY CONNECTION Shock Spring delivers consistent, predictable...ALN0044- SKU:
- ALN0044
- Availability:
- Ships Same Business Day
- Weight:
- 4.31 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
- UNITS:
- EACH
- COLOR/FINISH:
- SHOT PEENED
- LINEAR SPRING RATE IMPERIAL:
- 246.00 LB/IN
- RIDING STYLE:
- OFF-ROAD
- SPRING TYPE:
- SINGLE LINEAR RATE
MSRP: $159.95Now: $102.00Was: $159.95Qty in Cart: 0Quantity:Price:MSRP: $159.95Now: $102.00Was: $159.95Subtotal: -
FACTORY CONNECTION Shock Spring - Spring Rate 269 lbs/in ALN-0048
FACTORY CONNECTION
$159.95Suspension tuning demands precision, and compromised spring rates mean inconsistent handling and accelerated wear on your dampers. The FACTORY CONNECTION Shock Spring delivers repeatable performance through meticulous CNC manufacturing and heat...ALN0048- SKU:
- ALN0048
- Availability:
- Ships Same Business Day
- Weight:
- 4.63 LBS
- COLOR/FINISH:
- SHOT PEENED
- SPRING TYPE:
- SINGLE LINEAR RATE
- MOUNTING POSITION:
- REAR
- LINEAR SPRING RATE IMPERIAL:
- 269.00 LB/IN
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$159.95 -
FACTORY CONNECTION Shock Spring - Spring Rate 290 lbs/in ALN-0052
FACTORY CONNECTION
$159.95Precision suspension tuning demands a shock spring that can handle repeated compression cycles without degradation or rate drift. The Factory Connection ALN-0052 delivers consistent spring rates through advanced manufacturing and heat treatment, ensuring...ALN0052- SKU:
- ALN0052
- Availability:
- Ships Same Business Day
- Weight:
- 4.63 LBS
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- SHOT PEENED
- MOUNTING POSITION:
- REAR
- SPRING TYPE:
- SINGLE LINEAR RATE
- LINEAR SPRING RATE IMPERIAL:
- 290.00 LB/IN
- UNITS:
- EACH
$159.95 -
FACTORY CONNECTION Shock Spring - Spring Rate 324 lbs/in ALN-0058
FACTORY CONNECTION
$159.95Precise suspension tuning demands a shock spring engineered to exact specifications—and this FACTORY CONNECTION unit delivers consistent, predictable performance lap after lap. With a 324 lbs/in spring rate, you gain the responsiveness needed for...ALN0058- SKU:
- ALN0058
- Availability:
- Ships Same Business Day
- Weight:
- 4.81 LBS
- COLOR/FINISH:
- SHOT PEENED
- RIDING STYLE:
- OFF-ROAD
- SPRING TYPE:
- SINGLE LINEAR RATE
- MOUNTING POSITION:
- REAR
- UNITS:
- EACH
- LINEAR SPRING RATE IMPERIAL:
- 324.00 LB/IN
- PRODUCT NAME:
- SHOCK SPRING
$159.95 -
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
$159.95 -
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
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
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
$159.95 -
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
$178.95 -
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:
