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
-
On Sale
RACE TECH Fork Springs - 0.50 kg/mm FRSP 444750
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99Front suspension performance hinges on spring rate consistency, and the RACE TECH Fork Springs deliver precision engineering that separates podium finishes from DNFs. Built from heat-treated chrome...04050099- SKU:
- 04050099
- Availability:
- Ships Same Business Day
- Weight:
- 2.57 LBS
- OUTSIDE DIAMETER METRIC:
- 43.60 MM
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
- SPRING RATE IMPERIAL:
- 28.00 LB/IN
- LENGTH IMPERIAL:
- 18.58'
MSRP: $149.99Now: $134.99Was: $149.99 -
On Sale
RACE TECH Fork Springs - 0.46 kg/mm FRSP 434646
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99Precision fork tuning demands springs engineered to exact specifications, and RACE TECH delivers with these 0.46 kg/mm springs built for competitors who refuse compromise. Shot-peened and...04050027- SKU:
- 04050027
- Availability:
- Ships Same Business Day
- Weight:
- 2.86 LBS
- OUTSIDE DIAMETER METRIC:
- 43.50 MM
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- PAIR
- LENGTH IMPERIAL:
- 18.15'
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- TYPE:
- FORK
MSRP: $149.99Now: $134.99Was: $149.99 -
FACTORY CONNECTION Front Fork Springs - 0.42 kg/mm LRI-042
FACTORY CONNECTION
$159.95Suspension performance hinges on fork spring consistency, and Factory Connection's precision-wound springs deliver the repeatability you need lap after lap. Built with heat-tempered, shot-peened...04050335- SKU:
- 04050335
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- SPRING RATE IMPERIAL:
- 23.50 LB/IN
- PRODUCT NAME:
- SPRING KIT
- TYPE:
- FORK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$159.95 -
FACTORY CONNECTION Front Fork Springs - 0.44 kg/mm LRI-044
FACTORY CONNECTION
$159.95Factory Connection front fork springs deliver consistent, predictable suspension response across your entire stroke—critical for maintaining chassis geometry and feedback through demanding terrain...04050336- SKU:
- 04050336
- Availability:
- Ships Same Business Day
- Weight:
- 2.72 LBS
- SPRING RATE IMPERIAL:
- 24.60 LB/IN
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$159.95 -
FACTORY CONNECTION Front Fork Springs - 0.46 kg/mm LRI-046
FACTORY CONNECTION
$159.95Front fork springs are the foundation of suspension performance—they determine how your bike responds to inputs, absorbs impacts, and maintains geometry under load. Factory Connection's...04050337- SKU:
- 04050337
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
- SPRING RATE IMPERIAL:
- 25.80 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.48 kg/mm LRI-048
FACTORY CONNECTION
$159.95Precision fork springs are foundational to your suspension's performance—they directly impact handling response, bottoming resistance, and ride consistency across varying track conditions. The...04050338- SKU:
- 04050338
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- TYPE:
- FORK
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 26.90 LB/IN
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$159.95 -
On Sale
PIVOT WORKS Steering Stem Bearing Kit PWSSK-G03-001
PIVOT WORKS
MSRP: $69.20Now: $44.00Was: $69.20Worn or contaminated steering stem bearings directly compromise your bike's handling precision and introduce dangerous play in the front end. The PIVOT WORKS Steering Stem Bearing Kit restores...04100129- SKU:
- 04100129
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
- PRODUCT NAME:
- STEERING STEM BEARING
- COLOR/FINISH:
- CHROME
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
MSRP: $69.20Now: $44.00Was: $69.20 -
PIVOT WORKS Steering Stem Bearing Kit PWSSK-H05-420
PIVOT WORKS
$82.11Worn or contaminated steering stem bearings rob you of precise handling feedback and introduce play into your steering input—critical issues at speed or on technical courses. The PIVOT WORKS Steering...04100130- SKU:
- 04100130
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- CHROME
- UNITS:
- KIT
- PRODUCT NAME:
- STEERING STEM BEARING
$82.11 -
PIVOT WORKS Steering Stem Bearing Kit PWSSK-HQ01-001
PIVOT WORKS
$82.95Steering feel degrades when bearing tolerances wear or contamination from pressure washing compromises your fork seals. The PIVOT WORKS Steering Stem Bearing Kit restores precision handling and...04100132- SKU:
- 04100132
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- CHROME
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- STEERING STEM BEARING
$82.95 -
PIVOT WORKS Steering Stem Bearing Kit PWSSK-HQ02-001
PIVOT WORKS
$60.17Steering responsiveness deteriorates when bearing surfaces accumulate debris or corrosion, compromising both precision and safety on track or road. The PIVOT WORKS Steering Stem Bearing Kit restores...04100133- SKU:
- 04100133
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- STEERING STEM BEARING
$60.17 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-K11-021
PIVOT WORKS
$116.88Fork seals degrade from constant compression cycles and exposure to moisture, leading to oil leakage, air infiltration, and loss of suspension responsiveness. A complete seal and bushing replacement...04070276- SKU:
- 04070276
- Availability:
- Ships Same Business Day
- Weight:
- 0.59 LBS
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$116.88 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-T05-531
PIVOT WORKS
$116.88Fork seals and bushings wear down with every ride, leading to oil leakage, reduced damping performance, and accelerated component degradation. This complete kit eliminates the need to source...04070280- SKU:
- 04070280
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL AND BUSHING KIT
$116.88Qty in Cart: 0Quantity:Price:$116.88Subtotal: -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-T06-531
PIVOT WORKS
$130.95Fork seal degradation is one of the most common causes of suspension performance loss and expensive secondary damage to fork internals. The PIVOT WORKS Fork Seal/Bushing Kit PWFFK-T06-531 gives you...04070281- SKU:
- 04070281
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- UNITS:
- KIT
$130.95 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-S18-008
PIVOT WORKS
$102.23Fork seal degradation compromises suspension responsiveness and invites contamination into your fork internals—a scenario that costs far more to repair than preventative maintenance. This complete...04070284- SKU:
- 04070284
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$102.23 -
PIVOT WORKS Fork Seal/Bushing Kit PWFFK-Y11-008
PIVOT WORKS
$102.23Fork seals and bushings wear down from regular riding and racing, leading to oil leakage, poor damping, and compromised suspension performance. This complete kit gives you everything needed to...04070287- SKU:
- 04070287
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- SEAL AND BUSHING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$102.23 -
PIVOT WORKS Fork Seal Kit - 48 mm ID x 58 mm OD PWFSK-Z009
PIVOT WORKS
$60.74Fork seals degrade over time from heat, pressure, and contamination—allowing oil to weep past the seals and compromising suspension performance. This PIVOT WORKS kit delivers OEM-equivalent seals at...04070288- SKU:
- 04070288
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- INSIDE DIAMETER METRIC:
- 48.00 MM
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$60.74 -
PIVOT WORKS Fork Seal Kit - 48 mm ID x 58 mm OD PWFSK-Z011
PIVOT WORKS
$60.74Fork seals degrade over time, allowing oil to weep onto your brake rotors and compromising suspension performance. This PIVOT WORKS kit gives you a cost-effective way to restore your fork's integrity...04070290- SKU:
- 04070290
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- INSIDE DIAMETER METRIC:
- 48.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
$60.74 -
PIVOT WORKS Fork Seal Kit - 37 mm ID x 50 mm OD PWFSK-Z008
PIVOT WORKS
$61.37Leaking fork seals compromise handling precision and can lead to costly suspension damage if left unaddressed. This PIVOT WORKS kit delivers OEM-quality seals at a fraction of rebuild kit pricing,...04070183- SKU:
- 04070183
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 50.00 MM
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 37.00 MM
$61.37 -
PIVOT WORKS Steering Stem Bearing Kit PWSSK-K02-021
PIVOT WORKS
$78.60Worn or corroded steering stem bearings directly compromise your bike's handling precision and introduce dangerous play in your front end. The PIVOT WORKS Steering Stem Bearing Kit PWSSK-K02-021...SSK02021- SKU:
- SSK02021
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PRODUCT NAME:
- STEERING STEM BEARING
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$78.60 -
On Sale
RACE TECH Fork Springs - 0.40 kg/mm FRSP 444540
RACE TECH
MSRP: $149.99Now: $134.99Was: $149.99Fork springs are critical to suspension performance, directly affecting your bike's ability to absorb impacts, maintain chassis geometry, and deliver consistent handling lap after lap. The RACE TECH...04050148- SKU:
- 04050148
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- OUTSIDE DIAMETER METRIC:
- 44.00 MM
- PRODUCT NAME:
- SPRING KIT
- LENGTH IMPERIAL:
- 17.91'
- RIDING STYLE:
- OFF-ROAD
- SPRING RATE IMPERIAL:
- 22.40 LB/IN
- TYPE:
- FORK
- UNITS:
- PAIR
MSRP: $149.99Now: $134.99Was: $149.99Qty in Cart: 0Quantity:Price:MSRP: $149.99Now: $134.99Was: $149.99Subtotal:
