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
-
PARTS UNLIMITED Fork Seals - 46 mm ID x 58 mm OD x 9.5/11 mm T PUP40FORK455086
PARTS UNLIMITED
$33.61High-quality replacement fork seals, Made to OEM specificationsFS044- SKU:
- FS044
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- NOK ANTI-STICTION
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 46.00 MM
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 9.50 MM/11.00 MM
$33.61 -
PARTS UNLIMITED Fork Seals - 48 mm ID x 58.5 mm OD x 4.7/11.5 mm T PUP40FORK455131
PARTS UNLIMITED
$61.15High-quality replacement fork seals, Made to OEM specifications04070137- SKU:
- 04070137
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- FORK SEAL
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 48.00 MM
- OUTSIDE DIAMETER METRIC:
- 58.50 MM
- THICKNESS METRIC:
- 4.70 MM/11.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$61.15 -
PARTS UNLIMITED Fork Seals - 48 mm ID x 58.1 mm OD x 8.5/10.5 mm T PUP40FORK455139
PARTS UNLIMITED
$34.63High-quality replacement fork seals, Made to OEM specifications04070138- SKU:
- 04070138
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- NOK ANTI-STICTION
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 8.50 MM/10.50 MM
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 48.00 MM
- OUTSIDE DIAMETER METRIC:
- 58.10 MM
$34.63 -
PARTS UNLIMITED Fork Seals - 32 mm ID x 42 mm OD x 8/9 mm T PUP40FORK455066
PARTS UNLIMITED
$10.15High-quality replacement fork seals, Made to OEM specifications04070139- SKU:
- 04070139
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- INSIDE DIAMETER METRIC:
- 32.00 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER METRIC:
- 42.00 MM
- THICKNESS METRIC:
- 8.00 MM/9.00 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
$10.15 -
PARTS UNLIMITED Fork Seals - 48 mm ID x 57.9 mm OD x 11.5 mm T PUP40FORK455141
PARTS UNLIMITED
$63.19High-quality replacement fork seals, Made to OEM specifications04070140- SKU:
- 04070140
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 11.50 MM
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 48.00 MM
- MATERIAL:
- NOK ANTI-STICTION
- OUTSIDE DIAMETER METRIC:
- 57.90 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$63.19 -
PARTS UNLIMITED Fork Seals - 27 mm ID x 51.5 mm OD x 30 mm T PUP40FORK455142
PARTS UNLIMITED
$40.75High-quality replacement fork seals, Made to OEM specifications04070269- SKU:
- 04070269
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 27.00 MM
- OUTSIDE DIAMETER METRIC:
- 51.50 MM
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 30.00 MM
- UNITS:
- PAIR
$40.75 -
PARTS UNLIMITED Fork Seals - 43 mm ID x 53.4 mm OD x 5.8/11.8 mm T PUP40FORK455125
PARTS UNLIMITED
$50.95High-quality replacement fork seals, Made to OEM specifications04070270- SKU:
- 04070270
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- INSIDE DIAMETER METRIC:
- 43.00 MM
- UNITS:
- PAIR
- PRODUCT NAME:
- FORK SEAL
- MATERIAL:
- RUBBER
- OUTSIDE DIAMETER METRIC:
- 53.40 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 5.80 MM/11.80 MM
$50.95 -
PARTS UNLIMITED Fork Seals - 48 mm ID x 58.4 mm OD x 5.8/11.8 mm T PUP40FORK455126
PARTS UNLIMITED
$50.95High-quality replacement fork seals, Made to OEM specifications04070271- SKU:
- 04070271
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- PRODUCT NAME:
- FORK SEAL
- OUTSIDE DIAMETER METRIC:
- 58.40 MM
- THICKNESS METRIC:
- 5.80 MM/11.80 MM
- INSIDE DIAMETER METRIC:
- 48.00 MM
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
$50.95 -
PARTS UNLIMITED Fork Seals - 48 mm ID x 58.4 mm OD x 5.8/13.3 mm T PUP40FORK455140
PARTS UNLIMITED
$55.03High-quality replacement fork seals, Made to OEM specifications04070272- SKU:
- 04070272
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- RUBBER
- OUTSIDE DIAMETER METRIC:
- 58.40 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- INSIDE DIAMETER METRIC:
- 48.00 MM
- THICKNESS METRIC:
- 5.80 MM/13.30 MM
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$55.03 -
PARTS UNLIMITED Fork Seals - 45 mm ID x 58.4 mm OD x 4.6/14 mm T PUP40FORK455179
PARTS UNLIMITED
$47.89High-quality replacement fork seals, Made to OEM specifications04070291- SKU:
- 04070291
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- INSIDE DIAMETER METRIC:
- 45.00 MM
- MATERIAL:
- RUBBER
- OUTSIDE DIAMETER METRIC:
- 58.40 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 4.60 MM/14.00 MM
- UNITS:
- PAIR
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$47.89 -
MOOSE RACING Fork Seal Kit - 48 mm 56-146
MOOSE RACING
$39.95Seal 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,...04070102- SKU:
- 04070102
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 9.50 MM
- PRODUCT NAME:
- FORK SEAL KIT
- INSIDE DIAMETER METRIC:
- 48.00 MM
- OUTSIDE DIAMETER METRIC:
- 58.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$39.95 -
MOOSE RACING Fork Seal Kit - 43 mm 56-136
MOOSE RACING
$37.95Seal 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,...04070178- SKU:
- 04070178
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- INSIDE DIAMETER METRIC:
- 43.00 MM
- OUTSIDE DIAMETER METRIC:
- 55.00 MM
- RIDING STYLE:
- OFF-ROAD
- THICKNESS METRIC:
- 10.50 MM
- UNITS:
- KIT
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- STREET
$37.95 -
MOOSE RACING Fork Seal Kit - 32 mm 56-154
MOOSE RACING
$39.95Seal 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,...04070143- SKU:
- 04070143
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- OUTSIDE DIAMETER METRIC:
- 42.20 MM
- PRODUCT NAME:
- FORK SEAL KIT
- RIDING STYLE:
- STREET
- INSIDE DIAMETER METRIC:
- 32.00 MM
- THICKNESS METRIC:
- 6.50 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$39.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1061
MOOSE RACING
$40.95Designed as a drop-in replacement to upgrade OEM ball-type bearings to taper bearings, or a high-quality replacement if your bike comes with taper bearings stock, Tapered roller bearings provide decreased maintenance along with less wear, smoother...04100122- SKU:
- 04100122
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- TYPE:
- STEERING STEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$40.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1042
MOOSE RACING
$49.95Designed as a drop-in replacement to upgrade OEM ball-type bearings to taper bearings, or a high-quality replacement if your bike comes with taper bearings stock, Tapered roller bearings provide decreased maintenance along with less wear, smoother...04100014- SKU:
- 04100014
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MODEL:
- TAPERED ROLLER
- PRODUCT NAME:
- BEARING
- TYPE:
- STEERING STEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$49.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1044
MOOSE RACING
$30.95Designed as a drop-in replacement to upgrade OEM ball-type bearings to taper bearings, or a high-quality replacement if your bike comes with taper bearings stock, Tapered roller bearings provide decreased maintenance along with less wear, smoother...04100019- SKU:
- 04100019
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MODEL:
- TAPERED ROLLER
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
$30.95Qty in Cart: 0Quantity:Price:$30.95Subtotal: -
MOOSE RACING Steering Stem Bearing Kit 22-1001
MOOSE RACING
$52.95Designed as a drop-in replacement to upgrade OEM ball-type bearings to taper bearings, or a high-quality replacement if your bike comes with taper bearings stock, Tapered roller bearings provide decreased maintenance along with less wear, smoother...04100020- SKU:
- 04100020
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
- UNITS:
- KIT
- MODEL:
- TAPERED ROLLER
$52.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1002-M
MOOSE RACING
$57.95Designed as a drop-in replacement to upgrade OEM ball-type bearings to taper bearings, or a high-quality replacement if your bike comes with taper bearings stock, Tapered roller bearings provide decreased maintenance along with less wear, smoother...04100021- SKU:
- 04100021
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
- UNITS:
- KIT
- MODEL:
- TAPERED ROLLER
$57.95 -
MOOSE RACING Steering Stem Bearing Kit 22-1008
MOOSE RACING
$57.95Designed as a drop-in replacement to upgrade OEM ball-type bearings to taper bearings, or a high-quality replacement if your bike comes with taper bearings stock, Tapered roller bearings provide decreased maintenance along with less wear, smoother...04100024- SKU:
- 04100024
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STEERING STEM
- MODEL:
- TAPERED ROLLER
$57.95 -
PARTS UNLIMITED Fork Seals - 49 mm ID x 60.5 mm OD x 10.5 mm T PUP40FORK455209
PARTS UNLIMITED
$45.85High-quality replacement fork seals, Made to OEM specifications04070502- SKU:
- 04070502
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER METRIC:
- 49.00 MM
- OUTSIDE DIAMETER METRIC:
- 60.50 MM - 64.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 5.00 MM/10.50 MM
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- FORK SEAL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$45.85
