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 - 0.46 kg/mm FRSP 444546
RACE TECH
$149.99Precision fork tuning demands springs engineered to exact specifications, and the RACE TECH 0.46 kg/mm delivers the stiffness control you need without adding unnecessary weight. Whether you're dialing in suspension geometry for track work or fine-tuning...04050151- SKU:
- 04050151
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- LENGTH IMPERIAL:
- 17.91'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99 -
RACE TECH Fork Springs - 0.50 kg/mm FRSP 444550
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent, predictable performance lap after lap. The RACE TECH 0.50 kg/mm fork springs combine shot-peened chrome silicon steel with heat treatment to achieve a stiffness-to-mass ratio that minimizes...04050153- SKU:
- 04050153
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- LENGTH IMPERIAL:
- 17.91'
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- SPRING RATE IMPERIAL:
- 28.00 LB/IN
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.52 kg/mm FRSP 444552
RACE TECH
$149.99Precision fork tuning demands springs engineered to exact specifications, and RACE TECH delivers that consistency with ±2% rate accuracy. These 0.52 kg/mm springs combine shot-peened, heat-treated chrome silicon steel with a high stiffness-to-mass ratio,...04050154- SKU:
- 04050154
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- LENGTH IMPERIAL:
- 17.91'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- SPRING RATE IMPERIAL:
- 29.10 LB/IN
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.52 kg/mm FRSP 434952
RACE TECH
$149.99Precision suspension tuning demands spring rates you can actually rely on. The RACE TECH Fork Springs deliver a 0.52 kg/mm rate with accuracy to within 2%, giving you the consistency needed for repeatable setup and predictable handling across multiple...04050156- SKU:
- 04050156
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 29.10 LB/IN
- OUTSIDE DIAMETER METRIC:
- 42.70 MM
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 19.41'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$149.99 -
RACE TECH Fork Springs - 0.46 kg/mm FRSP 444746
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent performance lap after lap without deflection or fatigue. The RACE TECH 0.46 kg/mm fork springs combine shot-peened chromium silicon steel with heat treatment to achieve the stiffness-to-mass...04050097- SKU:
- 04050097
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- OUTSIDE DIAMETER METRIC:
- 43.60 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 18.58'
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.54 kg/mm FRSP 444754
RACE TECH
$149.99Fork spring performance directly impacts your suspension's responsiveness, bottoming resistance, and overall chassis control. The RACE TECH 0.54 kg/mm springs deliver the precise spring rate needed for consistent lap times, whether you're dialing in a...04050101- SKU:
- 04050101
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- PRODUCT NAME:
- SPRING KIT
- LENGTH IMPERIAL:
- 18.58'
- SPRING RATE IMPERIAL:
- 30.20 LB/IN
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 43.60 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$149.99 -
RACE TECH Fork Springs - 0.40 kg/mm FRSP 434640
RACE TECH
$149.99Front-end geometry and ride quality depend entirely on consistent spring rates, and any variance throws off your suspension tuning across the entire range. The RACE TECH Fork Springs deliver rate accuracy within 2% through precision heat-treatment and...04050024- SKU:
- 04050024
- Availability:
- Ships Same Business Day
- Weight:
- 2.71 LBS
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 22.40 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 43.50 MM
- PRODUCT NAME:
- SPRING KIT
- LENGTH IMPERIAL:
- 18.15'
$149.99 -
RACE TECH Fork Springs - 0.48 kg/mm FRSP 434648
RACE TECH
$149.99Precision fork control directly impacts your lap times and rider confidence—especially in high-speed corners and aggressive braking zones. RACE TECH Fork Springs deliver consistent, predictable damping characteristics that keep your suspension working at...04050028- SKU:
- 04050028
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- OUTSIDE DIAMETER METRIC:
- 43.50 MM
- SPRING RATE IMPERIAL:
- 26.90 LB/IN
- LENGTH IMPERIAL:
- 18.15'
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99 -
RACE TECH Fork Springs - 0.38 kg/mm FRSP 444838
RACE TECH
$149.99Precision fork control starts with the right spring rate, and the RACE TECH 0.38 kg/mm fork springs deliver the consistency your suspension demands. Whether you're dialing in front-end geometry on a track or fine-tuning your bike's handling for canyon...04050029- SKU:
- 04050029
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- SPRING RATE IMPERIAL:
- 21.30 LB/IN
- LENGTH IMPERIAL:
- 18.90'
- OUTSIDE DIAMETER METRIC:
- 43.60 MM
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Gold Valve Cartridge Fork Emulators for Damping Rod Forks - 41 mm FEGV 4101
RACE TECH
$199.99Damping rod forks limit your tuning options and performance potential—especially if you're pushing harder on the track or trail. The RACE TECH Gold Valve Cartridge Fork Emulators transform your existing fork into a responsive, adjustable suspension...FEGV4101- SKU:
- FEGV4101
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- COLOR/FINISH:
- GOLD
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- GOLD VALVE
- PRODUCT NAME:
- CARTRIDGE EMULATOR
- OUTSIDE DIAMETER IMPERIAL:
- 1.61'
- TYPE:
- FORK
- UNITS:
- KIT
$199.99Qty in Cart: 0Quantity:Price:$199.99Subtotal: -
RACE TECH Front/Rear Spring - Blue - Race Series - Spring Rate 280 lbs/in SRSP 652650
RACE TECH
$149.99Precision suspension geometry demands springs that deliver consistent performance lap after lap without compromise. The RACE TECH 280 lbs/in front/rear spring is engineered for racers who need predictable, repeatable handling characteristics—eliminating...13120328- SKU:
- 13120328
- Availability:
- Ships Same Business Day
- Weight:
- 3.64 LBS
- COLOR/FINISH:
- SHOT PEENED
- LENGTH IMPERIAL:
- 10.125'
- LINEAR SPRING RATE IMPERIAL:
- 280.00 LB/IN
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- BLUE
- LINEAR SPRING RATE METRIC:
- 5.00 KG/MM
- MODEL:
- RACE SERIES®
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SHOCK SPRING
- UNITS:
- EACH
$149.99 -
RACE TECH Front/Rear Spring - Blue - Race Series - Spring Rate 290 lbs/in SRSP 652652
RACE TECH
$149.99A precision-engineered suspension component demands a spring that matches your performance expectations—and the RACE TECH Front/Rear Spring delivers exactly that. Built from premium chrome silicon wire and shot-peened for durability, this 290 lbs/in...13120329- SKU:
- 13120329
- Availability:
- Ships Same Business Day
- Weight:
- 3.93 LBS
- LENGTH IMPERIAL:
- 10.125'
- MOUNTING POSITION:
- REAR
- LINEAR SPRING RATE IMPERIAL:
- 290.00 LB/IN
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- LINEAR SPRING RATE METRIC:
- 5.20 KG/MM
- MODEL:
- RACE SERIES®
- COLOR/FINISH:
- SHOT PEENED
- RIDING STYLE:
- OFF-ROAD
$149.99 -
RACE TECH Progressively Wound Shock Spring - Blue - P30 - Spring Rate 532 lbs/in SRSP 6326P30
RACE TECH
$199.99Rear suspension geometry demands precision—too stiff and your chassis chatters; too soft and you're kissing the bump stops. RACE TECH's progressively wound shock spring solves this compromize by delivering initial compliance for comfort while building...13120121- SKU:
- 13120121
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
- COLOR/FINISH:
- BLUE
- COLOR/FINISH:
- SHOT PEENED
- PROGRESSIVE SPRING RATE IMPERIAL:
- 532.00 LB/IN INITIAL
- PROGRESSIVE SPRING RATE METRIC:
- 9.50 KG/MM INITIAL
- RIDING STYLE:
- OFF-ROAD
- LENGTH IMPERIAL:
- 10.25'
- MOUNTING POSITION:
- REAR
- SPRING TYPE:
- PROGRESSIVE WOUND SPRING
- PRODUCT NAME:
- SHOCK SPRING
- TYPE:
- P30
- UNITS:
- EACH
$199.99 -
RACE TECH Front Spring - Blue - Sport Series - Spring Rate 258 lbs/in SRSP 462046
RACE TECH
$149.99A properly tuned front spring is fundamental to consistent lap times and predictable handling—this is where suspension geometry meets physics. The RACE TECH Sport Series spring delivers a 258 lbs/in rate engineered for drivers who demand both...13120018- SKU:
- 13120018
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MODEL:
- SPORT SERIES
- PRODUCT NAME:
- SHOCK SPRING
- LINEAR SPRING RATE METRIC:
- 4.60 KG/MM
- MOUNTING POSITION:
- FRONT
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 8.00'
- LINEAR SPRING RATE IMPERIAL:
- 258.00 LB/IN
- RIDING STYLE:
- OFF-ROAD
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Rear Spring - Blue - Sport Series - Spring Rate 280 lbs/in SRSP 462050
RACE TECH
$149.99A properly tuned rear spring is fundamental to consistent cornering performance and predictable weight transfer during competitive driving. The RACE TECH Sport Series delivers the precision stiffness you need for responsive handling without sacrificing...13120020- SKU:
- 13120020
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MODEL:
- SPORT SERIES
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 8.00'
- LINEAR SPRING RATE IMPERIAL:
- 280.00 LB/IN
- LINEAR SPRING RATE METRIC:
- 5.00 KG/MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
$149.99 -
RACE TECH Rear Spring - Blue - Sport Series - Spring Rate 300 lbs/in SRSP 462054
RACE TECH
$149.99If you're serious about corner speed and consistent lap times, suspension geometry matters—and that starts with a spring that delivers predictable, linear rate characteristics without fade. The RACE TECH Rear Spring gives you the stiffness you need to...13120021- SKU:
- 13120021
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- LINEAR SPRING RATE METRIC:
- 5.40 KG/MM
- LINEAR SPRING RATE IMPERIAL:
- 300.00 LB/IN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- LENGTH IMPERIAL:
- 8.00'
- MODEL:
- SPORT SERIES
$149.99 -
RACE TECH Progressively Wound Shock Spring - Orange - P15 - Spring Rate 195 lbs/in - 285 lbs/in SRSP 6326P15
RACE TECH
$199.99Rear suspension that punishes you on every bump doesn't belong on a track car—or a street machine. This RACE TECH progressive spring solves the dual problem of harshness and bottoming by ramping up resistance as the suspension compresses, giving you a...13120022- SKU:
- 13120022
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
- PROGRESSIVE SPRING RATE IMPERIAL:
- 420.00 LB/IN INITIAL
- COLOR/FINISH:
- SHOT PEENED
- LENGTH IMPERIAL:
- 10.25'
- PROGRESSIVE SPRING RATE METRIC:
- 7.50 KG/MM INITIAL
- SPRING TYPE:
- PROGRESSIVE WOUND SPRING
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- SHOCK SPRING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- P15
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
$199.99Qty in Cart: 0Quantity:Price:$199.99Subtotal: -
RACE TECH Progressively Wound Shock Spring - Gray - P20 - Spring Rate 454 lbs/in SRSP 6326P20
RACE TECH
$199.99Rear suspension that's constantly harsh or prone to bottoming compromises both comfort and control—especially under demanding track conditions. The RACE TECH Progressively Wound Shock Spring solves this with a design that firms up progressively,...13120023- SKU:
- 13120023
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- LENGTH IMPERIAL:
- 10.25'
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- SHOCK SPRING
- PROGRESSIVE SPRING RATE IMPERIAL:
- 454.00 LB/IN INITIAL
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- SHOT PEENED
- COLOR/FINISH:
- SILVER
- PROGRESSIVE SPRING RATE METRIC:
- 8.10 KG/MM INITIAL
- SPRING TYPE:
- PROGRESSIVE WOUND SPRING
- TYPE:
- P20
- UNITS:
- EACH
$199.99 -
RACE TECH Progressively Wound Shock Spring - Orange - P25 - Spring Rate 493 lbs/in SRSP 6326P25
RACE TECH
$199.99Rear suspension that's simultaneously compliant and responsive is rare—until now. This progressively wound spring solves the dual problem of harshness over small bumps and insufficient bottoming resistance, delivering a plush ride without sacrificing...13120024- SKU:
- 13120024
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
- LENGTH IMPERIAL:
- 10.25'
- MOUNTING POSITION:
- REAR
- COLOR/FINISH:
- SHOT PEENED
- PRODUCT NAME:
- SHOCK SPRING
- SPRING TYPE:
- PROGRESSIVE WOUND SPRING
- UNITS:
- EACH
- COLOR/FINISH:
- BLUE
- PROGRESSIVE SPRING RATE IMPERIAL:
- 493.00 LB/IN INITIAL
- TYPE:
- P25
- PROGRESSIVE SPRING RATE METRIC:
- 8.80 KG/MM INITIAL
- RIDING STYLE:
- OFF-ROAD
$199.99 -
RACE TECH Gold Valve Cartridge Fork Emulators for Damping Rod Forks FEGV 3301
RACE TECH
$199.99Stock damping rod forks limit your suspension's potential, forcing you to choose between comfort and control. The RACE TECH Gold Valve Cartridge Fork Emulators transform your existing fork internals into a responsive, tunable system that rivals dedicated...FEGV3301- SKU:
- FEGV3301
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- TYPE:
- FORK
- PRODUCT NAME:
- CARTRIDGE EMULATOR
- COLOR/FINISH:
- GOLD
- OUTSIDE DIAMETER IMPERIAL:
- 0.94'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- GOLD VALVE
$199.99
