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
-
WORKS CONNECTION Pro Launch Start Device 12-333
WORKS CONNECTION
$148.95A reliable launch control device is non-negotiable for consistent starts in competitive racing. The WORKS CONNECTION Pro Launch Start Device eliminates the unpredictability of spring-based designs with its spring-less mechanism, giving you precise,...04500549- SKU:
- 04500549
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- MODEL:
- FOR KAWASAKI
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-622
WORKS CONNECTION
$148.95A consistent, reliable launch is the difference between winning and losing on the track. The WORKS CONNECTION Pro Launch Start Device eliminates the mechanical inconsistencies of traditional spring-loaded designs, giving you precise throttle control and...04500550- SKU:
- 04500550
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- MODEL:
- FOR KTM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$148.95 -
MOOSE RACING Fork Seal Kit - 30 mm 56-106
MOOSE RACING
$37.95Fork seals degrade quickly under the demands of aggressive riding and racing, leading to oil leakage, reduced suspension performance, and costly damage to fork internals. The MOOSE RACING Fork Seal Kit addresses this with a patented MAX-LIFE compound...04070317- SKU:
- 04070317
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER METRIC:
- 30.00 MM
- THICKNESS METRIC:
- 10.00 MM
- UNITS:
- KIT
- OUTSIDE DIAMETER METRIC:
- 42.00 MM
$37.95 -
WORKS CONNECTION Pro Launch Start Device 12-339
WORKS CONNECTION
$148.95A reliable launch is the foundation of consistent pit bike performance, and the WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost you tenths on the line. This spring-less design delivers positive, repeatable engagement every...05060910- SKU:
- 05060910
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MODEL:
- FOR KAWASAKI
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MOUNTING POSITION:
- FRONT
- MATERIAL:
- ALUMINUM
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-731
WORKS CONNECTION
$148.95A reliable launch start device is critical for consistent performance off the line—especially when every millisecond counts. The WORKS CONNECTION Pro Launch Start Device eliminates inconsistencies found in traditional spring-based systems by delivering...04500557- SKU:
- 04500557
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-228
WORKS CONNECTION
$148.95Consistent, reliable starts are non-negotiable in racing—and the WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost you races. The spring-less design delivers positive engagement every single time, while the rider-adjustable...04500511- SKU:
- 04500511
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- STREET
- MODEL:
- FOR HONDA
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-711
WORKS CONNECTION
$148.95A poor launch can cost you races. The WORKS CONNECTION Pro Launch Start Device eliminates the unpredictability of traditional spring-based systems, giving you consistent throttle engagement and repeatable starts every single time. With its spring-less...04500512- SKU:
- 04500512
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- COLOR/FINISH:
- BLACK
- MODEL:
- FOR HUSQVARNA
- PRODUCT NAME:
- LAUNCH CONTROL
- UNITS:
- KIT
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-611
WORKS CONNECTION
$148.95A reliable launch start device is critical for consistent performance off the line—especially in competitive racing where repeatability separates winners from the field. The WORKS CONNECTION Pro eliminates the inconsistency of traditional spring-loaded...04500513- SKU:
- 04500513
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MODEL:
- FOR KTM
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-401
WORKS CONNECTION
$148.95A reliable launch control system is non-negotiable in competitive racing—hesitation or inconsistent engagement costs you races. The WORKS CONNECTION Pro Launch Start Device eliminates the variables that slow you down with a spring-less design that...04500516- SKU:
- 04500516
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- MODEL:
- FOR YAMAHA
- MOUNTING POSITION:
- FRONT
$148.95 -
MOOSE RACING Seal Kit - KTM 56-197
MOOSE RACING
$44.95Fork seals are your first line of defense against contamination and oil loss—neglect them, and you're looking at premature wear on expensive fork internals. The MOOSE RACING Seal Kit (56-197) replaces OEM seals with a patented design that reduces...04070698- SKU:
- 04070698
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- FORK SEAL KIT
- INSIDE DIAMETER METRIC:
- 35.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$44.95 -
MOOSE RACING Fork Seal Kit - 35 mm 56-178
MOOSE RACING
$39.95Fork seals are the barrier between your suspension fluid and contamination—when they wear, performance and safety suffer. The MOOSE RACING 35mm Fork Seal Kit delivers measurably longer service life and reduced drag through precision engineering that...04070508- SKU:
- 04070508
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- INSIDE DIAMETER METRIC:
- 35.00 MM
- OUTSIDE DIAMETER METRIC:
- 47.30 MM
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 10.00 MM
- UNITS:
- KIT
$39.95 -
WORKS CONNECTION Pro Launch Start Device 12-621
WORKS CONNECTION
$139.95A reliable launch control system is essential for consistent starts in competitive racing, and the WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost you milliseconds off the line. The spring-less design provides positive,...04500469- SKU:
- 04500469
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$139.95 -
PARTS UNLIMITED Fork Seals - 37 mm ID x 50 mm OD x 11 mm T PUP40FORK455042
PARTS UNLIMITED
$12.19Fork seals are critical wear components that directly impact your suspension's performance and longevity. Over time, these seals degrade from heat cycles, dirt contamination, and constant pressure, leading to oil leakage, reduced damping, and compromised...FS017- SKU:
- FS017
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 37.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- PAIR
- OUTSIDE DIAMETER METRIC:
- 50.00 MM
- PRODUCT NAME:
- FORK SEAL
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
$12.19 -
MOOSE RACING Premium Fork/Dust Seal Kit - 49 mm 119999490101
MOOSE RACING
$78.95Fork seals are a critical wear item that directly impact your suspension's performance and longevity. Over time, contamination and friction degrade stock seals, leading to oil leakage, reduced damping, and potential fork damage. The MOOSE Racing Premium...04500546- SKU:
- 04500546
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
$78.95 -
WORKS CONNECTION Pro Launch Start Device 12-516
WORKS CONNECTION
$148.95Launching a dirt bike or small-displacement motorcycle requires precision timing and reliability—especially when every millisecond counts in competition. The WORKS CONNECTION Pro Launch Start Device eliminates the unpredictability of traditional...04500226- SKU:
- 04500226
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- MODEL:
- FOR SUZUKI
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
$148.95Qty in Cart: 0Quantity:Price:$148.95Subtotal: -
WORKS CONNECTION Pro Launch Start Device 12-600
WORKS CONNECTION
$139.95A reliable launch device is non-negotiable for consistent starts and competitive lap times. The WORKS CONNECTION Pro Launch Start Device eliminates the inconsistency of spring-based designs with its spring-less mechanism, giving you positive engagement...04500228- SKU:
- 04500228
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- MODEL:
- FOR KTM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$139.95 -
WORKS CONNECTION Pro Launch Start Device 12-200
WORKS CONNECTION
$148.95A reliable launch device can mean the difference between consistent gate times and costly fumbles on the line. The WORKS CONNECTION Pro Launch Start Device eliminates the inconsistency of mechanical springs with a spring-less design that delivers...04500230- SKU:
- 04500230
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MODEL:
- FOR HONDA
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LAUNCH CONTROL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-400
WORKS CONNECTION
$139.95A reliable launch start device is critical for consistent gate performance in competitive racing. The WORKS CONNECTION Pro Launch Start Device 12-400 eliminates the inconsistency of traditional spring-based designs with its spring-less mechanism,...04500233- SKU:
- 04500233
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MODEL:
- FOR YAMAHA
- MOUNTING POSITION:
- FRONT
$139.95 -
WORKS CONNECTION Pro Launch Start Device 12-500
WORKS CONNECTION
$139.95A reliable launch start device is non-negotiable for competitive pit biking—inconsistent engagement wastes critical hundredths off the line. The WORKS CONNECTION Pro Launch Start Device eliminates the variables that cost races with its spring-less...04500234- SKU:
- 04500234
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MODEL:
- FOR SUZUKI
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
$139.95 -
On Sale
WORKS CONNECTION Pro Launch Start Device 12-518
WORKS CONNECTION
MSRP: $141.95Now: $95.00Was: $141.95A reliable launch start device separates competitive lap times from inconsistent performance. The WORKS CONNECTION Pro Launch Start Device eliminates the mechanical complexity and variability of traditional spring-loaded designs, giving you repeatable...04500239- SKU:
- 04500239
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MODEL:
- FOR SUZUKI
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
MSRP: $141.95Now: $95.00Was: $141.95