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!
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- Qty in Cart
- Quantity
- Price
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RACE TECH Gold Valve Fork Kit FMGV 2840
RACE TECH
$199.99Stock fork valving limits your control over suspension behavior, forcing you to choose between plushness and bottoming resistance. The RACE TECH Gold Valve Fork Kit FMGV 2840 puts precise tuning in your hands by moving valving control from the piston...04500038- SKU:
- 04500038
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FORK KIT
- TYPE:
- STANDARD
- UNITS:
- KIT
- COLOR/FINISH:
- GOLD
- OUTSIDE DIAMETER IMPERIAL:
- 1.10'
- MODEL:
- GOLD VALVE
$199.99 -
RACE TECH Gold Valve Cartridge Fork Emulators for Damping Rod Forks FEGV 2901
RACE TECH
$199.99If your damping rod fork setup is holding back your performance, the RACE TECH Gold Valve Cartridge Fork Emulators transform your suspension into a precisely-tuned system without expensive fork replacements. These bolt-on valve cartridges deliver the...04500040- SKU:
- 04500040
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- CARTRIDGE EMULATOR
- COLOR/FINISH:
- GOLD
- UNITS:
- KIT
- OUTSIDE DIAMETER IMPERIAL:
- 0.894'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- MODEL:
- GOLD VALVE
$199.99 -
RACE TECH Gold Valve Fork Kit FMGV 3520G
RACE TECH
$229.99Front fork performance directly impacts your bike's handling precision, traction, and rider confidence—especially under aggressive braking and cornering. Race Tech's Gold Valve system gives you genuine tuning control by moving valving authority from...04500041- SKU:
- 04500041
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- COLOR/FINISH:
- GOLD
- OUTSIDE DIAMETER IMPERIAL:
- 1.10'
- PRODUCT NAME:
- FORK KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- TYPE 2
- MODEL:
- GOLD VALVE
$229.99 -
RACE TECH Fork Springs - 0.48 kg/mm FRSP 454748
RACE TECH
$149.99Precision fork performance demands springs engineered to exact specifications—and Race Tech delivers. These 0.48 kg/mm fork springs are shot-peened and heat-treated to handle aggressive riding and racing conditions without fade or inconsistency. With...04051040- SKU:
- 04051040
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
$149.99 -
RACE TECH Fork Springs - 0.52 kg/mm FRSP 454752
RACE TECH
$149.99Precision fork tuning demands springs that respond predictably across your entire suspension travel. The RACE TECH 0.52 kg/mm fork springs deliver the stiffness you need without excess weight, giving you the confidence to push harder through corners...04051042- SKU:
- 04051042
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
$149.99 -
RACE TECH Fork Springs - 0.52 kg/mm FRSP 435152
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent performance lap after lap—and the RACE TECH 0.52 kg/mm Fork Springs are engineered for exactly that. With a stiffness-to-mass ratio optimized for responsive handling and minimal deflection,...04050313- SKU:
- 04050313
- Availability:
- Ships Same Business Day
- Weight:
- 3.45 LBS
- LENGTH IMPERIAL:
- 20'
- OUTSIDE DIAMETER METRIC:
- 43.20 MM
- SPRING RATE IMPERIAL:
- 29.10 LB/IN
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- TYPE:
- FORK
$149.99 -
RACE TECH Fork Springs - 0.38 kg/mm FRSP 444638
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent, predictable performance lap after lap. RACE TECH Fork Springs offer the stiffness-to-mass ratio and accuracy serious competitors require to dial in suspension feel without guesswork. With...04050262- SKU:
- 04050262
- Availability:
- Ships Same Business Day
- Weight:
- 2.71 LBS
- PRODUCT NAME:
- SPRING KIT
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 18.19'
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 21.30 LB/IN
- TYPE:
- FORK
$149.99 -
RACE TECH Fork Springs - 0.40 kg/mm FRSP 444640
RACE TECH
$149.99Precision fork tuning demands springs engineered to exact specifications—and RACE TECH delivers. These 0.40 kg/mm springs offer the stiffness-to-mass ratio needed for responsive front-end geometry without adding unnecessary weight to your chassis...04050263- SKU:
- 04050263
- Availability:
- Ships Same Business Day
- Weight:
- 2.87 LBS
- PRODUCT NAME:
- SPRING KIT
- LENGTH IMPERIAL:
- 18.19'
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 22.40 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
$149.99 -
RACE TECH Fork Springs - 0.46 kg/mm FRSP 444646
RACE TECH
$149.99Precision fork suspension geometry demands spring rates that are consistently accurate and built to withstand the extreme forces of competitive riding. The RACE TECH 0.46 kg/mm Fork Springs deliver the stiffness-to-weight efficiency you need to maintain...04050266- SKU:
- 04050266
- Availability:
- Ships Same Business Day
- Weight:
- 2.83 LBS
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 18.19'
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$149.99 -
RACE TECH Fork Springs - 0.44 kg/mm FRSP 444944
RACE TECH
$149.99Precision fork tuning demands springs that respond consistently across every input, and the RACE TECH 0.44 kg/mm springs deliver exactly that. Purpose-built for riders who need predictable, repeatable suspension performance without weight penalties,...04050833- SKU:
- 04050833
- Availability:
- Ships Same Business Day
- Weight:
- 2.76 LBS
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 24.60 LB/IN
- LENGTH IMPERIAL:
- 19.57'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99 -
RACE TECH Fork Springs - 0.46 kg/mm FRSP 444946
RACE TECH
$149.99Precision fork tuning demands springs engineered to exact specifications, and the RACE TECH 0.46 kg/mm fork springs deliver predictable, consistent performance lap after lap. Whether you're dialing in your suspension for track conditions or fine-tuning...04050834- SKU:
- 04050834
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- LENGTH IMPERIAL:
- 19.57'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
$149.99 -
RACE TECH Fork Springs - 0.50 kg/mm FRSP 444950
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent performance lap after lap without deflection or degradation. The RACE TECH 0.50 kg/mm fork spring is engineered for riders who need predictable, linear spring rates in the critical...04050837- SKU:
- 04050837
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- LENGTH IMPERIAL:
- 19.57'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- SPRING RATE IMPERIAL:
- 28.00 LB/IN
- UNITS:
- PAIR
$149.99 -
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 - 0.52 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
$149.99 -
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 - 0.54 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 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
$199.99 -
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 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
