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
-
MOOSE RACING Shock Spring - 63 mm OD - 63 n/mm - White 1312-0985
MOOSE RACING
$111.95A properly tuned suspension demands springs engineered to exact specifications, and this Moose Racing shock spring delivers the precision and durability required for consistent track performance. With a 63 n/mm rate and premium construction standards, it...13120985- SKU:
- 13120985
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
$111.95 -
MOOSE RACING Shock Spring - 63 mm OD - 66 n/mm - White 1312-0986
MOOSE RACING
$111.95A shock spring is the foundation of your suspension's ability to absorb impacts and maintain control during hard cornering and aggressive acceleration. The MOOSE RACING 63 mm spring delivers consistent damping force across the full range of suspension...13120986- SKU:
- 13120986
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
$111.95 -
MOOSE RACING Shock Spring - 64/66 mm OD - 42 n/mm - Red 1312-0987
MOOSE RACING
$111.95A properly tuned shock spring is critical to your suspension's responsiveness and handling consistency, especially in high-stress racing conditions. This MOOSE RACING spring delivers the precise 42 n/mm rate you need for predictable compression and...13120987- SKU:
- 13120987
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
MOOSE RACING Shock Spring - 64/66 mm OD - 45 n/mm - Red 1312-0988
MOOSE RACING
$111.95A properly tuned suspension spring is fundamental to consistent lap times and predictable handling characteristics. The MOOSE RACING 45 n/mm shock spring delivers the spring rate stability and material durability required for repetitive high-performance...13120988- SKU:
- 13120988
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
$111.95 -
MOOSE RACING Shock Spring - 64/66 mm OD - 54 n/mm - Red 1312-0991
MOOSE RACING
$111.95Moose Racing shock springs deliver consistent, predictable suspension performance through precision engineering and rigorous quality control. Whether you're fine-tuning your setup for track conditions or building a reliable daily driver, this 54 n/mm...13120991- SKU:
- 13120991
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
$111.95 -
MOOSE RACING Shock Spring - 64/66 mm OD - 57 n/mm - Red 1312-0992
MOOSE RACING
$111.95Suspension tuning demands precision, and this MOOSE RACING shock spring delivers exactly that with consistent spring rates and proven durability across demanding race conditions. Whether you're fine-tuning lap times or dialing in your setup for variable...13120992- SKU:
- 13120992
- Availability:
- Ships Same Business Day
- Weight:
- 3.95 LBS
$111.95 -
MOOSE RACING Shock Spring - 64/66 mm OD - 60 n/mm - Red 1312-0993
MOOSE RACING
$111.95If you're tuning your suspension for consistent handling across varied track conditions, spring rate directly impacts your ability to dial in responsiveness without sacrificing stability. This MOOSE RACING shock spring delivers the precision engineering...13120993- SKU:
- 13120993
- Availability:
- Ships Same Business Day
- Weight:
- 4.15 LBS
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
MOOSE RACING Shock Spring - 64/66 mm OD - 45 n/mm - Red 1312-0996
MOOSE RACING
$111.95Shock spring performance directly impacts your suspension's ability to absorb impacts, maintain consistent ride height, and deliver predictable handling under load. The MOOSE RACING 64/66 mm shock spring offers a moderate 45 n/mm spring rate engineered...13120996- SKU:
- 13120996
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
$111.95 -
MOOSE RACING Shock Spring - 64/66 mm OD - 47.5 n/mm - Red 1312-0997
MOOSE RACING
$111.95Moose Racing shock springs deliver consistent, predictable suspension performance through precision engineering and premium materials—critical for maintaining vehicle control under aggressive driving conditions. Whether you're dialing in a race setup or...13120997- SKU:
- 13120997
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
$111.95 -
MOOSE RACING Shock Spring - 64/66 mm OD - 50 n/mm - Red 1312-0998
MOOSE RACING
$111.95Precision suspension tuning starts with a reliable shock spring that delivers consistent performance lap after lap. The MOOSE RACING 50 n/mm spring is engineered to exacting tolerances using premium chrome silicone wire, ensuring your suspension responds...13120998- SKU:
- 13120998
- Availability:
- Ships Same Business Day
- Weight:
- 4.30 LBS
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
MOOSE RACING Shock Spring - 64/66 mm OD - 57.5 n/mm - Red 1312-1001
MOOSE RACING
$111.95A quality shock spring is fundamental to suspension tuning—it directly affects how your chassis handles load transfer, body roll, and ride frequency. The MOOSE RACING 64/66 mm shock spring delivers consistent spring rate accuracy and longevity through...13121001- SKU:
- 13121001
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
$111.95 -
MOOSE RACING Shock Spring - 64/66 mm OD - 65 n/mm - Red 1312-1004
MOOSE RACING
$111.95A properly matched shock spring is fundamental to suspension tuning—it directly affects your vehicle's handling balance, ride height, and load transfer characteristics. The MOOSE RACING 65 n/mm spring delivers consistent performance across heat cycles...13121004- SKU:
- 13121004
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
MOOSE RACING Shock Spring - 64/66 mm OD - 45 n/mm - Blue 1312-1005
MOOSE RACING
$111.95Precision shock springs are foundational to consistent suspension performance, whether you're fine-tuning lap times or dialing in your setup for varying track conditions. The MOOSE RACING 45 n/mm spring delivers repeatable rate accuracy and durability...13121005- SKU:
- 13121005
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
$111.95 -
MOOSE RACING Shock Spring - 64/66 mm OD - 54 n/mm - Blue 1312-1008
MOOSE RACING
$111.95A precision shock spring is the foundation of responsive, predictable suspension performance—whether you're chasing lap times or dialing in your setup. The MOOSE RACING 54 n/mm spring delivers consistent rate accuracy and durability through advanced...13121008- SKU:
- 13121008
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
$111.95 -
MOOSE RACING Shock Spring - 64/66 mm OD - 57 n/mm - Blue 1312-1009
MOOSE RACING
$111.95Consistent spring rates are non-negotiable in high-performance suspension tuning, and this MOOSE Racing shock spring delivers ±2.5% accuracy across every unit you purchase. Whether you're dialing in a race-ready setup or replacing a worn component, you...13121009- SKU:
- 13121009
- Availability:
- Ships Same Business Day
- Weight:
- 4.80 LBS
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
MOOSE RACING Shock Spring - 64/66 mm OD - 60 n/mm - Blue 1312-1010
MOOSE RACING
$111.95A precision shock spring is only as good as its consistency and durability under load. The MOOSE RACING 64/66 mm OD shock spring delivers reliable, predictable suspension performance with tight spring rate tolerance, ensuring your setup remains stable...13121010- SKU:
- 13121010
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
MOOSE RACING Shock Spring - 64/66 mm OD - 63 n/mm - Blue 1312-1011
MOOSE RACING
$111.95A shock spring's rate directly impacts your suspension's ability to handle cornering loads, absorb impacts, and maintain consistent ride height under dynamic conditions. This MOOSE Racing unit delivers precise 63 n/mm spring rate with the consistency you...13121011- SKU:
- 13121011
- Availability:
- Ships Same Business Day
- Weight:
- 5.35 LBS
$111.95 -
MOOSE RACING Shock Spring - 64/66 mm OD - 65 n/mm- Blue 1312-1012
MOOSE RACING
$111.95Moose Racing shock springs are engineered for racers and serious enthusiasts who demand precision damping performance without compromise. Built from premium chrome silicone wire and manufactured to strict DIN and ISO standards, these springs deliver...13121012- SKU:
- 13121012
- Availability:
- Ships Same Business Day
- Weight:
- 5.65 LBS
$111.95Qty in Cart: 0Quantity:Price:$111.95Subtotal: -
MOOSE RACING Shock Spring - 59 mm OD - 54/57/60 n/mm - White 1312-1013
MOOSE RACING
$111.95Precision shock tuning demands springs engineered to exact specifications, and MOOSE Racing delivers exactly that with this 59mm OD unit. Whether you're dialing in suspension geometry for track days or fine-tuning your race setup, having access to...13121013- SKU:
- 13121013
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
$111.95 -
MOOSE RACING Shock Spring - 59 mm OD - 57/60/63 n/mm - White 1312-1014
MOOSE RACING
$111.95Moose Racing shock springs deliver the consistent spring rates and durability demanded by serious racers and high-performance builds. Whether you're fine-tuning suspension geometry for track days or building a competition-ready machine, these springs...13121014- SKU:
- 13121014
- Availability:
- Ships Same Business Day
- Weight:
- 3.55 LBS
$111.95