Dirt Bike Front Suspension
Dirt Bike Front Suspension Parts: Fork Springs, Guards & Launch Devices for Yamaha at JJ Motorsports
Enhance your dirt bike's front suspension with premium parts from JJ Motorsports, designed for smoother damping and protection in motocross, enduro, and trail riding. These components improve handling and reduce wear for reliable performance.
Shop Works Connection, Moose Racing, and Polisport front suspension parts for durable, easy-to-install upgrades. Explore related categories such as dirt bike suspension for shocks and bushings, or dirt bike for full builds to complete your setup and achieve balanced, responsive handling across all conditions, from high-speed jumps to technical singletrack.
Top Dirt Bike Front Suspension Parts
- Works Connection Pro Launch Start Device Yamaha 12-416 – Adjustable launch device for Yamaha YZ; reduces fork compression for better starts.
- Moose Racing Fork Springs 31 mm 2.4 N/mm 0405-1120 – Progressive fork springs for 31mm tubes; improves damping on Kawasaki KX models.
- Polisport Fork Guard Cover Black 8398100002 – Black plastic fork guards; protects stanchions from rocks on Honda CRF.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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RACE TECH Gold Valve Fork Kit - 35 mm x 6 mm FMGV 3520
RACE TECH
$199.99Cartridge fork performance hinges on valve control—and stock pistons simply can't match the tuning precision of a dedicated valving system. The RACE TECH Gold Valve Fork Kit transforms your front end by tripling piston flow area while shifting valving...04500196- SKU:
- 04500196
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- 1.38'
- TYPE:
- STANDARD
- MODEL:
- GOLD VALVE
- COLOR/FINISH:
- GOLD
- PRODUCT NAME:
- FORK KIT
- UNITS:
- KIT
$199.99Qty in Cart: 0Quantity:Price:$199.99Subtotal: -
RACE TECH Rebound Gold Valve Fork Kit - 24X6 FRGV 2401
RACE TECH
$199.99Precision fork tuning demands a valve setup that responds consistently across the entire rebound stroke. The RACE TECH Rebound Gold Valve Fork Kit gives you granular control over mid-valve damping characteristics, eliminating the dead spots and...04500197- SKU:
- 04500197
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- ALUMINUM
- MODEL:
- GOLD VALVE
- PRODUCT NAME:
- REBOUND VALVE
- COLOR/FINISH:
- GOLD
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$199.99 -
RACE TECH Gold Valve Fork Kit - 26 mm x 6 mm FMGV 2606
RACE TECH
$199.99Front fork performance hinges on precise valving control, and the RACE TECH Gold Valve Fork Kit puts that control directly in your hands. By tripling the flow area of traditional pistons and shifting valving authority to the shim stack, this bolt-on...04500198- SKU:
- 04500198
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MODEL:
- GOLD VALVE
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- FORK KIT
- TYPE:
- STANDARD
- COLOR/FINISH:
- GOLD
- OUTSIDE DIAMETER IMPERIAL:
- 1.02'
$199.99 -
RACE TECH Rebound Gold Valve Fork Kit - 48 mm FRGV 2302
RACE TECH
$199.99Precision fork damping directly impacts your ability to dial in suspension geometry across varying track conditions and riding styles. The RACE TECH Rebound Gold Valve Fork Kit upgrades your 48 mm forks with a mid-valve architecture that delivers...04500199- SKU:
- 04500199
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- COLOR/FINISH:
- GOLD
- MODEL:
- GOLD VALVE
- PRODUCT NAME:
- REBOUND VALVE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
$199.99 -
RACE TECH Rebound Gold Valve Fork Kit FRGV 2301
RACE TECH
$199.99Precision fork damping starts with valve control. The RACE TECH Rebound Gold Valve Fork Kit delivers the mid-valve consistency and tuning granularity that separates competitive setups from guesswork. Whether you're chasing lap times or dialing in your...04500159- SKU:
- 04500159
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- GOLD
- MODEL:
- GOLD VALVE
- PRODUCT NAME:
- REBOUND VALVE
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$199.99 -
RACE TECH Fork Rebound Holder - KYB Forks FKRH 120629
RACE TECH
$29.99Fork service requires precision tools and proper hardware to maintain your suspension's integrity. When you're disassembling your KYB forks, the rebound adjuster threads take repeated stress—damage here compromises your ability to dial in suspension feel...04500011- SKU:
- 04500011
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.47'
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- PRODUCT NAME:
- REBOUND VALVE
- INSIDE DIAMETER METRIC:
- 12.00 MM
- UNITS:
- EACH
$29.99 -
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 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
$149.99 -
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 - 0.54 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
$149.99 -
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'
$149.99 -
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 -
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
