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 12-605
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500353- SKU:
- 04500353
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- LAUNCH CONTROL
- UNITS:
- KIT
- MODEL:
- FOR KTM
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-705
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500355- SKU:
- 04500355
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- MODEL:
- ALL '17 HUSQVARNA MODELS WITH AER 48 FORKS
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- STREET
$148.95 -
MOOSE RACING Fork Seal/Wiper Kit - 41 mm 118888410101
MOOSE RACING
$49.95Seal profile is engineered to create equal pressure in each seal lip; equalized seal pressure creates less drag and longer seal life, Patented MAX-LIFE has a coefficient of friction up to 3 times less than the OEM seal material, Triple-lip seal design,...04070656- SKU:
- 04070656
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- INSIDE DIAMETER METRIC:
- 41.00 MM
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$49.95 -
MOOSE RACING Premium Fork/Dust Seal Kit - 48 mm 119999480301
MOOSE RACING
$78.95Shock rebuild kit includes: Complete pre-assembled seal head, Piston band, Piston O-Rings, Bump Rubber, and bladder, All items are pre-assembled for ease of rebuilding, Highest quality NOK product included in the kit, Made in Japan04500545- SKU:
- 04500545
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$78.95 -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6075
MOOSE RACING
$35.95Bushings are dyno-tested to 500,000 strokes with less wear than OEM bushings, Kit includes two slider bushings and two leg bushings, Kit includes all copper washers and O-rings, Kit includes two fork seal snap rings04500161- SKU:
- 04500161
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.92'
- INNER BUSHING INSIDE DIAMETER METRIC:
- 46.80 MM
- PRODUCT NAME:
- BUSHING KIT
- UNITS:
- KIT
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
MOOSE RACING Fork Bushing Kit - 52.00 mm 38-6073
MOOSE RACING
$66.95Bushings are dyno-tested to 500,000 strokes with less wear than OEM bushings, Kit includes two slider bushings and two leg bushings, Kit includes all copper washers and O-rings, Kit includes two fork seal snap rings04500208- SKU:
- 04500208
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- INNER BUSHING OUTSIDE DIAMETER IMPERIAL:
- 1.92'
- INNER BUSHING WIDTH IMPERIAL:
- 0.79'
- MATERIAL:
- PTFE
- INNER BUSHING INSIDE DIAMETER METRIC:
- 46.80 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- PRODUCT NAME:
- BUSHING KIT
- UNITS:
- KIT
$66.95 -
WORKS CONNECTION Pro Launch Start Device 12-220
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500220- SKU:
- 04500220
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MODEL:
- FOR HONDA
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-222
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500221- SKU:
- 04500221
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MODEL:
- FOR HONDA
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-720
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500301- SKU:
- 04500301
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- MODEL:
- FOR HUSQVARNA
- PRODUCT NAME:
- LAUNCH CONTROL
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-700
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500302- SKU:
- 04500302
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- BLACK
- MODEL:
- FOR HUSQVARNA
- PRODUCT NAME:
- LAUNCH CONTROL
- UNITS:
- KIT
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-331
WORKS CONNECTION
$141.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500303- SKU:
- 04500303
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MOUNTING POSITION:
- FRONT
- MODEL:
- FOR KAWASAKI
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
$141.95 -
WORKS CONNECTION Pro Launch Start Device 12-704
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500332- SKU:
- 04500332
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- MODEL:
- FOR HUSQVARNA
- PRODUCT NAME:
- LAUNCH CONTROL
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- FRONT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-721
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500470- SKU:
- 04500470
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-410
WORKS CONNECTION
$148.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500485- SKU:
- 04500485
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- KIT
- MODEL:
- FOR YAMAHA
- MOUNTING POSITION:
- FRONT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
$148.95 -
WORKS CONNECTION Pro Launch Start Device 12-810
WORKS CONNECTION
$141.95The "next-generation" in start devices, Spring-less design delivers positive engagement and consistent release, "Easy set by rider" start trigger, CNC-machined exclusively from aircraft-grade aluminum, Lightweight, complete assembly only 50 grams, Custom...04500581- SKU:
- 04500581
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- LAUNCH CONTROL
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$141.95 -
PARTS UNLIMITED Fork Seals - 41 mm ID x 53 mm OD x 8/9.5 mm T PUP40FORK455052
PARTS UNLIMITED
$12.19High-quality replacement fork seals, Made to OEM specificationsFS022- SKU:
- FS022
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 41.00 MM
- OUTSIDE DIAMETER METRIC:
- 53.00 MM
- THICKNESS METRIC:
- 8.00 MM/9.50 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$12.19 -
PARTS UNLIMITED Fork Seals - 35 mm ID x 48 mm OD x 11 mm T - NOK PUP40FORK455135
PARTS UNLIMITED
$17.29High-quality replacement fork seals, Made to OEM specifications04070264- SKU:
- 04070264
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MATERIAL:
- NOK ANTI-STICTION
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- PRODUCT NAME:
- FORK SEAL
- INSIDE DIAMETER METRIC:
- 35.00 MM
- OUTSIDE DIAMETER METRIC:
- 48.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
$17.29 -
PARTS UNLIMITED Fork Seals - 49 mm ID x 60 mm OD x 11 mm T PUP40FORK455073
PARTS UNLIMITED
$24.43High-quality replacement fork seals, Made to OEM specificationsFS046- SKU:
- FS046
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- NOK ANTI-STICTION
- OUTSIDE DIAMETER METRIC:
- 60.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 49.00 MM
- THICKNESS METRIC:
- 11.00 MM
- RIDING STYLE:
- STREET
$24.43 -
PARTS UNLIMITED Fork Seals - 41 mm ID x 54 mm OD x 11 mm T PUP40FORK455054
PARTS UNLIMITED
$13.21High-quality replacement fork seals, Made to OEM specificationsFS023- SKU:
- FS023
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- OUTSIDE DIAMETER METRIC:
- 54.00 MM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.00 MM
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 41.00 MM
$13.21 -
PARTS UNLIMITED Fork Seals - 36 mm ID x 48.5 mm OD x 14 mm T PUP40FORK455118
PARTS UNLIMITED
$41.77High-quality replacement fork seals, Made to OEM specifications04070037- SKU:
- 04070037
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- FORK SEAL
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 36.00 MM
- MATERIAL:
- RUBBER
- OUTSIDE DIAMETER METRIC:
- 48.50 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 14.00 MM
$41.77