Dirt Bike Suspension
Dirt Bike Suspension Parts at JJ Motorsports
Fine-tune your ride with advanced suspension components from JJ Motorsports. From rear suspension upgrades to precision-manufactured forks, these products ensure improved handling and shock absorption. Find complementary off-road dirt bike parts to optimize every ride on the track or trail.
Shop trusted brands like Progressive Suspension for adjustable shocks and Fox for high-performance forks. Explore related categories such as Dirt Bike Braking for stopping power or Dirt Bike Tires and Wheels for complete setups.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
RACE TECH Fork Springs - 0.50 kg/mm FRSP 395150
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99Precision fork tuning demands springs engineered to exact specifications—and the RACE TECH 0.50 kg/mm fork springs deliver repeatability that separates competitive setups from guesswork. With...FRSP395150- SKU:
- FRSP395150
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- SPRING RATE IMPERIAL:
- 28.00 LB/IN
- LENGTH IMPERIAL:
- 20.16'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- OUTSIDE DIAMETER METRIC:
- 41.20 MM
MSRP: $149.99Now: $134.99Was: $149.99 -
On Sale
RACE TECH Fork Springs - 0.47 kg/mm FRSP 405147
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99Precision fork tuning demands springs engineered to exact specifications, and the RACE TECH 0.47 kg/mm fork springs deliver the consistency your suspension setup requires. Shot-peened chrome silicon...FRSP405147- SKU:
- FRSP405147
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- LENGTH IMPERIAL:
- 20.00'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 39.50 MM
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 26.30 LB/IN
MSRP: $149.99Now: $134.99Was: $149.99Qty in Cart: 0Quantity:Price:MSRP: $149.99Now: $134.99Was: $149.99Subtotal: -
On Sale
RACE TECH Fork Springs - 0.49 kg/mm FRSP 405149
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99Precision fork tuning demands springs that deliver exact rate consistency lap after lap. The RACE TECH 0.49 kg/mm fork springs eliminate guesswork with shot-peened, heat-treated chrome silicon steel...FRSP405149- SKU:
- FRSP405149
- Availability:
- Ships Same Business Day
- Weight:
- 3.12 LBS
- LENGTH IMPERIAL:
- 20.00'
- OUTSIDE DIAMETER METRIC:
- 39.50 MM
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 27.40 LB/IN
- TYPE:
- FORK
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
MSRP: $149.99Now: $134.99Was: $149.99Qty in Cart: 0Quantity:Price:MSRP: $149.99Now: $134.99Was: $149.99Subtotal: -
On Sale
RACE TECH Fork Springs - 0.42 kg/mm FRSP 414642
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99Precise fork spring rates are non-negotiable in racing—even minor inconsistencies compromise handling and lap times. RACE TECH's 0.42 kg/mm springs deliver accurate, repeatable performance with a...FRSP414642- SKU:
- FRSP414642
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- SPRING RATE IMPERIAL:
- 23.50 LB/IN
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 18.19'
- OUTSIDE DIAMETER METRIC:
- 41.20 MM
MSRP: $149.99Now: $134.99Was: $149.99Qty in Cart: 0Quantity:Price:MSRP: $149.99Now: $134.99Was: $149.99Subtotal: -
On Sale
RACE TECH Rear Seal Head Assembly - 40 mm ID Body x 18 mm OD Shaft SYSH 4618
RACE TECH
MSRP: $59.99Now: $53.99Was: $59.99A quality rear seal head assembly is critical to preventing fluid leakage and maintaining system integrity under racing conditions. The RACE TECH SYSH 4618 delivers precision engineering and reliable...SYSH4618- SKU:
- SYSH4618
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- PRODUCT NAME:
- SEAL HEAD ASSEMBLY
- UNITS:
- EACH
- OUTSIDE DIAMETER IMPERIAL:
- 1.81'
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER IMPERIAL:
- 0.47'
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
- TYPE:
- STANDARD
MSRP: $59.99Now: $53.99Was: $59.99 -
On Sale
RACE TECH Shock Oil Seal - 16 mm x 36 mm - KYB SKOS 16
RACE TECH
MSRP: $12.99Now: $11.69Was: $12.99A worn shock seal compromises your suspension's ability to maintain consistent damping pressure, leading to fluid loss, reduced responsiveness, and unpredictable handling on track or trail. The RACE...SKOS16- SKU:
- SKOS16
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHAFT SEAL
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- INSIDE DIAMETER IMPERIAL:
- 0.63'
- MODEL:
- FOR KYB
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 16.00 MM
- RIDING STYLE:
- STREET
- TYPE:
- SHOCK
- OUTSIDE DIAMETER IMPERIAL:
- 1.42'
MSRP: $12.99Now: $11.69Was: $12.99 -
FACTORY CONNECTION Shock Spring - Spring Rate 375 lbs/in AAL-0067
FACTORY CONNECTION
$159.95Shock springs are the foundation of any suspension system's performance, and a poorly chosen rate will compromise handling, ride quality, and durability across all conditions. The FACTORY CONNECTION...13120198- SKU:
- 13120198
- Availability:
- Ships Same Business Day
- Weight:
- 4.35 LBS
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- LINEAR SPRING RATE IMPERIAL:
- 375.00 LB/IN
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SHOT PEENED
- SPRING TYPE:
- SINGLE LINEAR RATE
$159.95 -
On Sale
FACTORY CONNECTION Shock Spring - Spring Rate 170 lbs/in NNE-0030
FACTORY CONNECTION
MSRP: $149.99Now: $96.00Was: $149.99A precision shock spring demands exact specifications to deliver consistent performance lap after lap. Factory Connection's 170 lbs/in spring combines meticulous manufacturing tolerances with proven...13120211- SKU:
- 13120211
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- COLOR/FINISH:
- SHOT PEENED
- MOUNTING POSITION:
- REAR
- SPRING TYPE:
- SINGLE LINEAR RATE
- UNITS:
- EACH
- LINEAR SPRING RATE IMPERIAL:
- 170.00 LB/IN
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
MSRP: $149.99Now: $96.00Was: $149.99 -
FACTORY CONNECTION Shock Spring - Spring Rate 274 lbs/in ALA-0049
FACTORY CONNECTION
$159.95Suspension tuning demands precision, and a shock spring's rate directly impacts your chassis balance, ride height, and overall handling characteristics. The FACTORY CONNECTION Shock Spring delivers...13120389- SKU:
- 13120389
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
- COLOR/FINISH:
- SHOT PEENED
- LINEAR SPRING RATE IMPERIAL:
- 274.00 LB/IN
- RIDING STYLE:
- OFF-ROAD
- SPRING TYPE:
- SINGLE LINEAR RATE
$159.95 -
FACTORY CONNECTION Shock Spring - Spring Rate 324 lbs/in ALA-0058
FACTORY CONNECTION
$159.95Whether you're fine-tuning suspension geometry for the track or upgrading your street machine, shock spring performance directly impacts how your vehicle handles load transfer and maintains...13120392- SKU:
- 13120392
- Availability:
- Ships Same Business Day
- Weight:
- 4.15 LBS
- LINEAR SPRING RATE IMPERIAL:
- 324.00 LB/IN
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SHOT PEENED
- SPRING TYPE:
- SINGLE LINEAR RATE
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.45 kg/mm LAU-045
FACTORY CONNECTION
$159.95Factory Connection front fork springs deliver precision suspension tuning for riders who demand exact spring rates and consistent performance lap after lap. Whether you're dialing in your setup for...LAU045- SKU:
- LAU045
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- SPRING RATE IMPERIAL:
- 25.20 LB/IN
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.49 kg/mm LAU-049
FACTORY CONNECTION
$159.95Suspension geometry is only as good as your springs—and Factory Connection front fork springs are engineered to handle the demands of serious off-road racing without fade or deflection. These...LAU049- SKU:
- LAU049
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 27.40 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.46 kg/mm LSA-046
FACTORY CONNECTION
$159.95Front fork springs are critical suspension components that directly impact your bike's handling, stability, and ability to absorb impacts at speed. Factory Connection's LSA-046 springs deliver...LSA046- SKU:
- LSA046
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- UNITS:
- PAIR
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.48 kg/mm LSA-048
FACTORY CONNECTION
$159.95Suspension geometry is only as good as your spring rates, and inconsistent or worn fork springs will rob you of control and predictability on every lap. The Factory Connection LSA-048 front fork...LSA048- SKU:
- LSA048
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 26.90 LB/IN
$159.95 -
FACTORY CONNECTION Front Fork Springs - 0.46 kg/mm LSB-046
FACTORY CONNECTION
$159.95Front fork springs are critical to suspension performance—they directly affect your bike's handling, comfort, and ability to maintain traction through aggressive cornering and rough terrain. Factory...LSB046- SKU:
- LSB046
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- UNITS:
- PAIR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Shock Seal FCS-16U
FACTORY CONNECTION
$31.00Stock shock seals degrade under heat cycles and temperature swings, compromising your suspension's damping performance and allowing fluid weepage that shortens shock life. The FACTORY CONNECTION...FCS16U- SKU:
- FCS16U
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- MOUNTING POSITION:
- REAR
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- SEAL
- TYPE:
- SHOCK SHAFT
- UNITS:
- EACH
$31.00 -
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...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...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
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
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...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...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
