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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RACE TECH Fork Springs - 0.50 kg/mm FRSP 395150
RACE TECH
$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 heat-treated chrome silicon construction and shot-peening for...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
$149.99 -
RACE TECH Fork Springs - 0.47 kg/mm FRSP 405147
RACE TECH
$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 steel and heat treatment ensure reliability through...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
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.49 kg/mm FRSP 405149
RACE TECH
$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 that maintains accuracy within 2%—critical for...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
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.42 kg/mm FRSP 414642
RACE TECH
$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 high stiffness-to-mass ratio that minimizes unsprung...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
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Rear Seal Head Assembly - 40 mm ID Body x 18 mm OD Shaft SYSH 4618
RACE TECH
$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 performance, whether you're sealing a high-rpm engine...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
$59.99 -
RACE TECH Shock Oil Seal - 16 mm x 36 mm - KYB SKOS 16
RACE TECH
$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 TECH Shock Oil Seal restores your KYB shock's original...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'
$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 375 lbs/in spring delivers consistent, predictable...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 -
FACTORY CONNECTION Shock Spring - Spring Rate 170 lbs/in NNE-0030
FACTORY CONNECTION
$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 durability, ensuring your suspension responds...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
$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 consistent, accurate spring rates without the variances...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 consistent ride height under acceleration and braking. The...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 track days or professional competition, these 0.45 kg/mm...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
$159.95 -
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 precision-wound springs maintain consistent spring rates lap...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 consistent, predictable performance lap after lap by...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 springs are cold-wound on precision CNC equipment and...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
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
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 Connection's LSB-046 springs deliver consistent,...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 FCS-16U shock seal upgrades you to a compliant,...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 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
$159.95Qty 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 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
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
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
