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
-
FACTORY CONNECTION Bladder Cap - 50 mm - Showa BCS50BRN
FACTORY CONNECTION
$79.95Reservoir volume is increased to help reduce shock fade, Available for most Showa and KYB shocks13140271- SKU:
- 13140271
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 1.97'
- TYPE:
- SHOCK BLADDER
- UNITS:
- EACH
- COLOR/FINISH:
- BROWN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- CAP
- RIDING STYLE:
- OFF-ROAD
$79.95 -
On Sale
FACTORY CONNECTION Bladder Cap - 59 mm - Showa BCS59BRN
FACTORY CONNECTION
MSRP: $79.95Now: $51.00Was: $79.95Reservoir volume is increased to help reduce shock fade, Available for most Showa and KYB shocks13140273- SKU:
- 13140273
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 2.32'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK BLADDER
- UNITS:
- EACH
- COLOR/FINISH:
- BROWN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- CAP
MSRP: $79.95Now: $51.00Was: $79.95 -
FACTORY CONNECTION WP/KTM Rebound Adjuster Housing REBADJHOUSWP
FACTORY CONNECTION
$25.95O-ring designed rebound adjuster housing, Helps eliminate corrosion of rebound adjuster, Clevis rebound adjuster hole is completely sealed off13140035- SKU:
- 13140035
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- ADJUSTER HOUSING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK REBOUND
- UNITS:
- EACH
$25.95 -
FACTORY CONNECTION Shock Seal FCS-18U
FACTORY CONNECTION
$31.00Made from a more compliant and durable rubber material than stock shock seals, Offer improved flex qualities for varying temperatures, Improved durability over stock seal13140036- SKU:
- 13140036
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MATERIAL:
- RUBBER
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK SHAFT
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
$31.00 -
FACTORY CONNECTION Heavy-Duty Rubber Shock Bumpers - 18 mm SB18
FACTORY CONNECTION
$27.95Improve bottoming feel and wear life13140014- SKU:
- 13140014
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER IMPERIAL:
- 0.55'
- MOUNTING POSITION:
- REAR
- TYPE:
- SHOCK
- PRODUCT NAME:
- BUMPER
- UNITS:
- EACH
$27.95 -
FACTORY CONNECTION Shock Seal FCS-14U
FACTORY CONNECTION
$31.00Made from a more compliant and durable rubber material than stock shock seals, Offer improved flex qualities for varying temperatures, Improved durability over stock seal13140208- SKU:
- 13140208
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- SEAL
- TYPE:
- SHOCK SHAFT
- UNITS:
- EACH
- MATERIAL:
- RUBBER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
$31.00 -
RACE TECH Shock Oil Seal - 14 mm x 30 mm - KYB SKOS 14
RACE TECH
$9.99Shock Seals SKOS14 High-performance shock seals designed for durability and longevity. Engineered to provide superior resistance against wear and tear. Easy installation process, ensuring a perfect fit for various applications. ...SKOS14- SKU:
- SKOS14
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK
- UNITS:
- EACH
- PRODUCT NAME:
- SHAFT SEAL
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- INSIDE DIAMETER IMPERIAL:
- 0.55'
- INSIDE DIAMETER METRIC:
- 14.00 MM
- MODEL:
- FOR KYB
- OUTSIDE DIAMETER IMPERIAL:
- 1.18'
- RIDING STYLE:
- ATV
$9.99 -
RACE TECH Front Spring - Blue - Sport Series - Spring Rate 358 lbs/in SRSP 622864
RACE TECH
$149.99Product Name - SRSP622864 Precision accuracy within 0.05 kg/mm for reliable performance Constructed from high-quality chrome silicon wire for durability Shot-peened and heat-treated to enhance strength and longevity Preset design...SRSP622864- SKU:
- SRSP622864
- Availability:
- Ships Same Business Day
- Weight:
- 5.75 LBS
- COLOR/FINISH:
- BLUE
- LINEAR SPRING RATE IMPERIAL:
- 358.00 LB/IN
- LINEAR SPRING RATE METRIC:
- 6.40 KG/MM
- MODEL:
- SPORT SERIES
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SHOCK SPRING
- UNITS:
- EACH
- LENGTH IMPERIAL:
- 10.63'
$149.99 -
RACE TECH Front Spring - Blue - Sport Series - Spring Rate 258 lbs/in SRSP 672746
RACE TECH
$149.99Product Name - SRSP672746 Precision accuracy of 0.05 kg/mm for reliable performance. Crafted from premium chrome silicon wire for enhanced durability. Shot-peened and heat-treated for superior strength and longevity. Preset design...SRSP672746- SKU:
- SRSP672746
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- COLOR/FINISH:
- BLUE
- MODEL:
- SPORT SERIES
- RIDING STYLE:
- OFF-ROAD
- LINEAR SPRING RATE IMPERIAL:
- 258.00 LB/IN
- LINEAR SPRING RATE METRIC:
- 4.60 KG/MM
- MOUNTING POSITION:
- FRONT
- PRODUCT NAME:
- SHOCK SPRING
- LENGTH IMPERIAL:
- 10.51'
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Front Spring - Blue - Sport Series - Spring Rate 269 lbs/in SRSP 672748
RACE TECH
$149.99Product Name - SRSP672748 Precision accuracy within 0.05 kg/mm for reliable performance Crafted from high-quality chrome silicon wire for durability Shot-peened and heat-treated for enhanced strength Preset design eliminates sacking,...SRSP672748- SKU:
- SRSP672748
- Availability:
- Ships Same Business Day
- Weight:
- 3.88 LBS
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 10.51'
- LINEAR SPRING RATE IMPERIAL:
- 269.00 LB/IN
- LINEAR SPRING RATE METRIC:
- 4.80 KG/MM
- MODEL:
- SPORT SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- PRODUCT NAME:
- SHOCK SPRING
$149.99 -
RACE TECH Front Spring - Blue - Sport Series - Spring Rate 280 lbs/in SRSP 672750
RACE TECH
$149.99Product Name - SRSP672750 Precision accuracy within 0.05 kg/mm for reliable performance Constructed from premium chrome silicon wire for durability Shot-peened and heat-treated for enhanced strength Preset design eliminates sacking for...SRSP672750- SKU:
- SRSP672750
- Availability:
- Ships Same Business Day
- Weight:
- 4.19 LBS
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 10.51'
- LINEAR SPRING RATE IMPERIAL:
- 280.00 LB/IN
- PRODUCT NAME:
- SHOCK SPRING
- UNITS:
- PAIR
- LINEAR SPRING RATE METRIC:
- 5.00 KG/MM
- MODEL:
- SPORT SERIES
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
$149.99 -
RACE TECH Front Spring - Blue - Sport Series - Spring Rate 290 lbs/in SRSP 672752
RACE TECH
$149.99High-Performance Spring SRSP672752 Precision engineering with accuracy within 0.05 kg/mm Crafted from premium chrome silicon wire for durability Shot-peened for enhanced fatigue resistance Heat-treated to ensure optimal performance and...SRSP672752- SKU:
- SRSP672752
- Availability:
- Ships Same Business Day
- Weight:
- 4.63 LBS
- PRODUCT NAME:
- SHOCK SPRING
- LINEAR SPRING RATE IMPERIAL:
- 290.00 LB/IN
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 10.51'
- LINEAR SPRING RATE METRIC:
- 5.20 KG/MM
- MODEL:
- SPORT SERIES
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- MOUNTING POSITION:
- FRONT
$149.99 -
RACE TECH Rear Spring - Blue - Sport Series - Spring Rate 300 lbs/in SRSP 672754
RACE TECH
$149.99Product Name - SRSP672754 Precision engineering with an accuracy of 0.05 kg/mm Constructed from high-quality chrome silicon wire for durability Shot-peened for enhanced strength and performance Heat-treated for optimal resilience and longevity Preset...SRSP672754- SKU:
- SRSP672754
- Availability:
- Ships Same Business Day
- Weight:
- 4.38 LBS
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 10.51'
- LINEAR SPRING RATE IMPERIAL:
- 300.00 LB/IN
- UNITS:
- PAIR
- LINEAR SPRING RATE METRIC:
- 5.40 KG/MM
- MODEL:
- SPORT SERIES
- RIDING STYLE:
- OFF-ROAD
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Front Spring - Blue - Sport Series - Spring Rate 319.19 lbs/in SRSP 672757
RACE TECH
$149.99Product Name - 672757 Precision accuracy within 0.05 kg/mm for reliable performance. Constructed from high-quality chrome silicon wire for durability. Shot-peened and heat-treated for enhanced strength and longevity. Preset design...SRSP672757- SKU:
- SRSP672757
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- LINEAR SPRING RATE METRIC:
- 5.70 KG/MM
- PRODUCT NAME:
- SHOCK SPRING
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 10.51'
- MODEL:
- SPORT SERIES
- RIDING STYLE:
- OFF-ROAD
- LINEAR SPRING RATE IMPERIAL:
- 319.19 LB/IN
- MOUNTING POSITION:
- REAR
$149.99 -
RACE TECH Gold Valve Shock Kit - 36 mm SMGV 3609
RACE TECH
$199.99Shock Valving Kit SMGV3609 Bolt-on design for enhanced suspension performance Improves control, traction, plushness, and bottoming resistance Outstanding tunability suitable for both trail and race environments Long-wearing, low-friction...SMGV3601- SKU:
- SMGV3601
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- OUTSIDE DIAMETER METRIC:
- 36.00 MM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- GOLD
- MODEL:
- GOLD VALVE
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- ATV
- TYPE:
- SHOCK
$199.99 -
RACE TECH Gold Valve Shock Kit - 44 mm SMGV441203
RACE TECH
$199.99Shock Valving Kit SMGV441203 Bolt-on design tailored for performance-focused riders. Enhances control, traction, and plushness for a smoother ride. Increases bottoming resistance, ideal for supercross and larger riders. Outstanding...SMGV4401- SKU:
- SMGV4401
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- GOLD
- MODEL:
- GOLD VALVE
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- VALVE KIT
- TYPE:
- SHOCK
$199.99 -
RACE TECH Shock Shaft Bushing - 12.5 mm ID x 8 mm L SMSB 12508
RACE TECH
$12.99Seal Head Assembly Replacement - SMSB12508 Cost-effective solution for seal head assembly replacement Designed to enhance performance and extend service life Features high-quality, low-friction PTFE-coated shaft bushings Easy to install,...SMSB12508- SKU:
- SMSB12508
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MOUNTING POSITION:
- REAR
- TYPE:
- DAMPING ROD
- INSIDE DIAMETER IMPERIAL:
- 0.49'
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- LENGTH METRIC:
- 8.00 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 0.32'
$12.99 -
RACE TECH Shock Shaft Bushing - 14 mm ID x 12 mm L SMSB 1412
RACE TECH
$9.99Rebuild Seal Head Assembly - SMSB1412 Cost-effective solution for seal head assembly repairs High-quality PTFE-coated shaft bushings for enhanced performance Low-friction design to improve efficiency and longevity Easy installation...SMSB1412- SKU:
- SMSB1412
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- LENGTH METRIC:
- 12.00 MM
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.55'
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- SHOCK SHAFT
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 0.47'
$9.99 -
RACE TECH Shock Shaft Bushing - 14 mm ID x 15 mm L SMSB 1415
RACE TECH
$9.99Rebuild Seal Head Assembly - SMSB1415 Cost-effective solution for seal head assembly repairs High-quality materials ensure durability and longevity Low-friction PTFE-coated shaft bushings enhance performance Easy installation process...SMSB1415- SKU:
- SMSB1415
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.55'
- LENGTH IMPERIAL:
- 0.59'
- LENGTH METRIC:
- 15.00 MM
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- STREET
- TYPE:
- SHOCK SHAFT
- RIDING STYLE:
- UTV
$9.99 -
RACE TECH Shock Shaft Bushing - 16 mm ID x 12 mm L SMSB 1612
RACE TECH
$9.99Seal Head Assembly Replacement - SMSB1612 Cost-effective solution for seal head assembly repairs High-quality materials ensure durability and reliability Low-friction PTFE-coated shaft bushings enhance performance Designed for easy...SMSB1612- SKU:
- SMSB1612
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- LENGTH METRIC:
- 12.00 MM
- PRODUCT NAME:
- BUSHING
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 0.47'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK SHAFT
$9.99
