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 Gold Valve Fork Kit FMGV 2820G
RACE TECH
$229.99Stock fork valving compromises between conflicting demands—and you feel it through every corner and impact. The RACE TECH Gold Valve Fork Kit replaces your front cartridge's factory pistons with precision-engineered dual-port valves that triple flow...04500098- SKU:
- 04500098
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- PRODUCT NAME:
- FORK KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- COLOR/FINISH:
- GOLD
- OUTSIDE DIAMETER IMPERIAL:
- 1.10'
- MODEL:
- GOLD VALVE
- TYPE:
- TYPE 2
$229.99 -
RACE TECH Fork Springs - 0.42 kg/mm FRSP 454742
RACE TECH
$149.99Fork springs are the foundation of suspension tuning—get them wrong, and your bike won't handle predictably regardless of what else you upgrade. The RACE TECH 0.42 kg/mm delivers precise spring rates with shot-peened, heat-treated chrome silicon steel...04051039- SKU:
- 04051039
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
$149.99 -
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 - 0.50 kg/mm FRSP 454750
RACE TECH
$149.99Whether you're fine-tuning your suspension geometry or building a race-specific fork setup, fork spring rate is mission-critical—and tolerance stacking can kill your lap times. The RACE TECH 0.50 kg/mm fork springs deliver the precision and consistency...04051041- SKU:
- 04051041
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
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 - 0.54 kg/mm FRSP 454754
RACE TECH
$149.99Precise fork spring rates are non-negotiable when you're chasing lap time or pushing a bike to its limits. The RACE TECH Fork Springs deliver a 0.54 kg/mm rate with shot-peened, heat-treated chrome silicon steel that maintains accuracy within 2%—ensuring...04051043- SKU:
- 04051043
- Availability:
- Ships Same Business Day
- Weight:
- 3.31 LBS
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.50 kg/mm FRSP 435150
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 are engineered with shot-peened, heat-treated chrome silicon steel to provide the exact stiffness your suspension...04050312- SKU:
- 04050312
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- OUTSIDE DIAMETER METRIC:
- 43.20 MM
- SPRING RATE IMPERIAL:
- 28.00 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- LENGTH IMPERIAL:
- 20'
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
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
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
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 -
On Sale
RACE TECH Fork Springs - 0.40 kg/mm FRSP 444640
RACE TECH
MSRP: $149.99Now: $96.00Was: $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
MSRP: $149.99Now: $96.00Was: $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 - 0.52 kg/mm FRSP 444652
RACE TECH
$149.99Fork spring performance directly impacts your suspension's ability to absorb impacts while maintaining chassis control during aggressive riding. The RACE TECH 0.52 kg/mm spring delivers precise damping characteristics with minimal deflection, ensuring...04050269- SKU:
- 04050269
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- SPRING RATE IMPERIAL:
- 29.10 LB/IN
- LENGTH IMPERIAL:
- 18.19'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.54 kg/mm FRSP 444654
RACE TECH
$149.99Precision suspension tuning demands springs that deliver consistent performance lap after lap. The RACE TECH Fork Springs 0.54 kg/mm offer the stiffness-to-mass ratio and accuracy you need to dial in your front end without compromising feel or feedback...04050270- SKU:
- 04050270
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- PRODUCT NAME:
- SPRING KIT
- LENGTH IMPERIAL:
- 18.19'
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 30.20 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.38 kg/mm FRSP 444938
RACE TECH
$149.99Precision fork tuning demands springs engineered to exact specifications, and the RACE TECH 0.38 kg/mm fork springs deliver the consistency your front end needs for responsive handling and predictable feedback through every corner. Built from...04050830- SKU:
- 04050830
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- PRODUCT NAME:
- SPRING KIT
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 21.30 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 19.57'
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.40 kg/mm FRSP 444940
RACE TECH
$149.99Precision fork tuning demands springs engineered to exact specifications, and RACE TECH delivers with 0.40 kg/mm rates accurate to within 2%—eliminating guesswork from suspension setup. Whether you're dialing in front-end geometry for track conditions or...04050831- SKU:
- 04050831
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 19.57'
- SPRING RATE IMPERIAL:
- 22.40 LB/IN
- 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 - 0.48 kg/mm FRSP 444948
RACE TECH
$149.99Precision fork tuning demands springs engineered to exact specifications, and RACE TECH delivers with tolerances held to within 2% across the entire rate curve. Whether you're dialing in front-end geometry on a track day or fine-tuning suspension...04050835- SKU:
- 04050835
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 26.90 LB/IN
- LENGTH IMPERIAL:
- 19.57'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
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
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
RACE TECH Fork Springs - 0.44 kg/mm FRSP 444544
RACE TECH
$149.99Precision fork tuning demands springs that deliver consistent performance without adding unnecessary weight to your chassis. The RACE TECH 0.44 kg/mm fork springs are engineered with shot-peened, heat-treated chrome silicon steel to maintain exact spring...04050150- SKU:
- 04050150
- Availability:
- Ships Same Business Day
- Weight:
- 2.93 LBS
- LENGTH IMPERIAL:
- 17.91'
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- SPRING RATE IMPERIAL:
- 24.60 LB/IN
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal:
