Dirt Bike Suspension
Dirt Bike Suspension Parts at JJ Motorsports
Fine-tune your ride with advanced suspension components from JJ Motorsports. From rear suspension upgrades to precision-manufactured forks, these products ensure improved handling and shock absorption. Find complementary off-road dirt bike parts to optimize every ride on the track or trail.
Shop trusted brands like Progressive Suspension for adjustable shocks and Fox for high-performance forks. Explore related categories such as Dirt Bike Braking for stopping power or Dirt Bike Tires and Wheels for complete setups.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
FACTORY CONNECTION Front Fork Springs - 0.45 kg/mm LRL-045
FACTORY CONNECTION
MSRP: $149.99Now: $102.00Was: $149.99Front fork springs are critical to your suspension's ability to maintain consistent ride height, support your vehicle's weight, and absorb impacts without bottoming out. The FACTORY CONNECTION LRL-045 delivers precision-engineered spring rates that...04050044- SKU:
- 04050044
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 25.20 LB/IN
- UNITS:
- PAIR
MSRP: $149.99Now: $102.00Was: $149.99 -
On Sale
FACTORY CONNECTION Front Fork Springs - 0.49 kg/mm LRL-049
FACTORY CONNECTION
MSRP: $149.99Now: $102.00Was: $149.99Precision fork springs are foundational to suspension performance—they directly affect your bike's ability to absorb impacts, maintain consistent geometry, and respond predictably under load. Factory Connection's 0.49 kg/mm front fork springs are...04050047- SKU:
- 04050047
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 27.40 LB/IN
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
MSRP: $149.99Now: $102.00Was: $149.99 -
FACTORY CONNECTION Front Fork Springs - 1.00 kg/mm LRV-100
FACTORY CONNECTION
$119.95If you're running a high-performance dirt bike or ATV, fork spring rates directly determine your suspension's ability to handle aggressive terrain and maintain consistent contact with the ground. Factory Connection's precision-engineered springs deliver...04050322- SKU:
- 04050322
- Availability:
- Ships Same Business Day
- Weight:
- 2.87 LBS
- SPRING RATE IMPERIAL:
- 56.00 LB/IN
- TYPE:
- FORK
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SPRING KIT
- UNITS:
- EACH
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
On Sale
FACTORY CONNECTION 4CS Fork Compression Piston CAPISTONSET-4CS
FACTORY CONNECTION
MSRP: $229.95Now: $147.00Was: $229.95Suspension tuning separates competitive racers from the rest of the field, and fork compression pistons are where precision matters most. The FACTORY CONNECTION 4CS Fork Compression Piston Capset delivers the small-bump compliance and mid-stroke control...13140583- SKU:
- 13140583
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SHOCK COMPRESSION PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
MSRP: $229.95Now: $147.00Was: $229.95 -
FACTORY CONNECTION Bladder Cap - 50 mm - Showa BCS50BRN
FACTORY CONNECTION
$79.95Shock fade during extended track sessions or aggressive trail riding compromises both performance and safety—the FACTORY CONNECTION Bladder Cap addresses this directly by increasing reservoir volume to maintain consistent damping temperatures. This 50 mm...13140271- SKU:
- 13140271
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 1.97'
- TYPE:
- SHOCK BLADDER
- UNITS:
- EACH
- COLOR/FINISH:
- BROWN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- CAP
- RIDING STYLE:
- OFF-ROAD
$79.95 -
On Sale
FACTORY CONNECTION Bladder Cap - 59 mm - Showa BCS59BRN
FACTORY CONNECTION
MSRP: $74.95Now: $51.00Was: $74.95Shock fade during extended track sessions or aggressive trail riding degrades handling and reduces your ability to push your vehicle to its limits. The FACTORY CONNECTION Bladder Cap increases reservoir volume to maintain consistent damping performance...13140273- SKU:
- 13140273
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 2.32'
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK BLADDER
- UNITS:
- EACH
- COLOR/FINISH:
- BROWN
- MOUNTING POSITION:
- REAR
- PRODUCT NAME:
- CAP
MSRP: $74.95Now: $51.00Was: $74.95 -
FACTORY CONNECTION WP/KTM Rebound Adjuster Housing REBADJHOUSWP
FACTORY CONNECTION
$25.95Factory Connection's WP/KTM Rebound Adjuster Housing addresses a common wear point on high-performance suspension systems: corrosion of the rebound adjuster mechanism. By sealing the clevis hole with an O-ring design, this housing protects your adjuster...13140035- SKU:
- 13140035
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- ADJUSTER HOUSING
- MOUNTING POSITION:
- REAR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK REBOUND
- UNITS:
- EACH
$25.95 -
FACTORY CONNECTION Shock Seal FCS-18U
FACTORY CONNECTION
$31.00Stock shock seals degrade under extreme temperatures and repeated compression cycles, compromising your suspension's ability to maintain consistent damping performance. The FACTORY CONNECTION FCS-18U upgrades your seals with a more compliant rubber...13140036- SKU:
- 13140036
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MATERIAL:
- RUBBER
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SHOCK SHAFT
- UNITS:
- EACH
- MOUNTING POSITION:
- REAR
$31.00 -
FACTORY CONNECTION Heavy-Duty Rubber Shock Bumpers - 18 mm SB18
FACTORY CONNECTION
$27.95Harsh bottoming events accelerate suspension wear and create unpredictable handling characteristics that compromise lap times and driver confidence. Factory Connection's Heavy-Duty Rubber Shock Bumpers absorb impact energy at the end-stroke, extending...13140014- SKU:
- 13140014
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- INSIDE DIAMETER IMPERIAL:
- 0.55'
- MOUNTING POSITION:
- REAR
- TYPE:
- SHOCK
- PRODUCT NAME:
- BUMPER
- UNITS:
- EACH
$27.95 -
FACTORY CONNECTION Shock Seal FCS-14U
FACTORY CONNECTION
$31.00Stock shock seals degrade under thermal cycling and constant compression, leading to fluid weeping, reduced damping performance, and costly seal replacements. The FACTORY CONNECTION FCS-14U upgrade uses a high-compliance rubber compound engineered to...13140208- SKU:
- 13140208
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- SEAL
- TYPE:
- SHOCK SHAFT
- UNITS:
- EACH
- MATERIAL:
- RUBBER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MOUNTING POSITION:
- REAR
$31.00 -
PROX Fork Seal/Wiper Kit - 48 mm ID x 58 mm OD x 9.4 mm T 40.S48589.4
PROX
$73.95Fork seals and wipers are critical wear items that directly impact your suspension's performance and longevity. Degraded seals allow oil to escape and contamination to enter, reducing damping efficiency and accelerating internal component wear. The PROX...04070348- SKU:
- 04070348
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- OUTSIDE DIAMETER:
- 58,00 MM (2,28')
- THICKNESS IMPERIAL:
- 0.37'
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- THICKNESS:
- 9,40 MM (0,37')
- UNITS:
- KIT
- INSIDE DIAMETER:
- 48,00 MM (1,89')
$73.95 -
PROX Fork Seal/Wiper Kit - 35 mm ID x 48 mm OD x 11 mm T 40.S354811
PROX
$41.95Fork seals and wipers are critical wear items that directly impact your suspension's performance and longevity. Worn seals allow hydraulic fluid to escape, leading to reduced damping, poor handling, and potential fork damage—exactly what you can't afford...04070184- SKU:
- 04070184
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- OUTSIDE DIAMETER:
- 48,00 MM (1,89')
- PRODUCT NAME:
- FORK SEAL/WIPER
- THICKNESS IMPERIAL:
- 0.43'
- UNITS:
- KIT
- INSIDE DIAMETER:
- 35,00 MM (1,38')
- RIDING STYLE:
- OFF-ROAD
- THICKNESS:
- 11,00 MM (0,43')
$41.95 -
On Sale
PROX Fork Seal/Wiper Kit - 48 mm ID x 57.80 mm OD x 9 mm T 40.S4857.89
PROX
MSRP: $62.95Now: $51.00Was: $62.95Fork seals wear out—it's not a question of if, but when. Worn seals compromise suspension performance, allow hydraulic fluid to leak onto your brakes, and can damage fork internals if left unchecked. The PROX Fork Seal/Wiper Kit gives you genuine NOK...04070188- SKU:
- 04070188
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- INSIDE DIAMETER:
- 48,00 MM (1,89')
- RIDING STYLE:
- OFF-ROAD
- OUTSIDE DIAMETER:
- 57,80 MM (2,28')
- THICKNESS:
- 9,00 MM (0,35')
- THICKNESS IMPERIAL:
- 0.35'
- UNITS:
- KIT
- PRODUCT NAME:
- FORK SEAL/WIPER
MSRP: $62.95Now: $51.00Was: $62.95 -
On Sale
PROX Fork Protectors - 130 mm 40.FSP1304450
PROX
MSRP: $22.95Now: $17.00Was: $22.95Fork seals are vulnerable to damage from rocks, sand, and debris encountered during aggressive riding—compromising suspension performance and leading to costly repairs. PROX Fork Protectors shield your fork seals and tubes with durable neoprene...04060109- SKU:
- 04060109
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- YELLOW
- LENGTH IMPERIAL:
- 5.125'
- TYPE:
- FORK
- UNITS:
- PAIR
- FOR FORK TUBE DIAMETER IMPERIAL:
- 1.73' - 1.98'
- PRODUCT NAME:
- PROTECTOR
- BASE COLOR:
- BLACK
MSRP: $22.95Now: $17.00Was: $22.95 -
On Sale
PROX Fork Protectors - 360 mm 40.FSP3604450
PROX
MSRP: $23.95Now: $21.00Was: $23.95Fork seals are vulnerable to contamination from sand, rocks, and trail debris—damage that can compromise suspension performance and lead to costly repairs. PROX Fork Protectors shield your seals with durable neoprene coverage, extending the life of your...04060110- SKU:
- 04060110
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- YELLOW
- TYPE:
- FORK
- UNITS:
- PAIR
- FOR FORK TUBE DIAMETER IMPERIAL:
- 1.73' - 1.98'
- LENGTH IMPERIAL:
- 14.16'
- PRODUCT NAME:
- PROTECTOR
- BASE COLOR:
- BLACK
MSRP: $23.95Now: $21.00Was: $23.95 -
On Sale
PROX Fork Seal/Wiper Kit - KX65 40.S334611P
PROX
MSRP: $41.95Now: $34.00Was: $41.95Fork seals and wipers are critical wear items that directly impact your suspension's performance and longevity. A degraded seal allows hydraulic fluid to escape, compromising damping consistency and risking internal fork damage. This genuine NOK...04070679- SKU:
- 04070679
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- OUTSIDE DIAMETER:
- -
- THICKNESS:
- -
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- THICKNESS IMPERIAL:
- -
- UNITS:
- KIT
- INSIDE DIAMETER:
- 43,00 MM (1,69')
MSRP: $41.95Now: $34.00Was: $41.95 -
On Sale
PROX Fork Seal/Wiper Kit - KTM 50 40.S354611P
PROX
MSRP: $39.95Now: $34.00Was: $39.95Fork seals and wipers are critical wear items that directly impact your KTM 50's handling precision and suspension reliability. Degraded seals allow hydraulic fluid to escape, compromising damping performance and inviting contamination that can damage...04070680- SKU:
- 04070680
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- INSIDE DIAMETER:
- 35,00 MM (1,37')
- THICKNESS:
- -
- OUTSIDE DIAMETER:
- -
- THICKNESS IMPERIAL:
- -
MSRP: $39.95Now: $34.00Was: $39.95 -
On Sale
PROX Fork Seal/Wiper Kit 40.S354710P
PROX
MSRP: $41.95Now: $34.00Was: $41.95Fork seals and wipers are critical wear items that directly impact suspension performance and longevity. Deteriorated seals allow hydraulic fluid to leak onto your suspension components, compromising damping characteristics and risking internal corrosion...04070308- SKU:
- 04070308
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- THICKNESS IMPERIAL:
- -
- INSIDE DIAMETER:
- 35,00 MM (1,37')
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- THICKNESS:
- -
- UNITS:
- KIT
- OUTSIDE DIAMETER:
- -
MSRP: $41.95Now: $34.00Was: $41.95 -
On Sale
PROX Fork Seal/Wiper Kit - 37 mm ID x 50 mm OD x 11 mm T 40.S375011
PROX
MSRP: $52.95Now: $42.00Was: $52.95Worn fork seals compromise suspension performance and accelerate component degradation—hydraulic fluid seeps past damaged seals, reducing damping consistency and inviting contamination into your forks. These genuine NOK replacement seals restore proper...402375- SKU:
- 402375
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- INSIDE DIAMETER:
- 37,00 MM (1,46')
- OUTSIDE DIAMETER:
- 50,00 MM (1,97')
- PRODUCT NAME:
- FORK SEAL/WIPER
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- THICKNESS:
- 11,00 MM (0,43')
- THICKNESS IMPERIAL:
- 0.43'
MSRP: $52.95Now: $42.00Was: $52.95 -
On Sale
PROX Fork Seal/Wiper Kit - 45 mm ID x 55 mm OD x 11 mm T 40.S455711
PROX
MSRP: $52.95Now: $42.00Was: $52.95Worn fork seals compromise suspension performance and invite hydraulic fluid loss, degrading damping response and risking component damage. The PROX Fork Seal/Wiper Kit restores OEM-spec sealing integrity with genuine NOK replacement components, ensuring...402455- SKU:
- 402455
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- THICKNESS:
- 11,00 MM (0,43')
- INSIDE DIAMETER:
- 45,00 MM (1,77')
- THICKNESS IMPERIAL:
- 0.43'
- OUTSIDE DIAMETER:
- 55,00 MM (2,17')
- PRODUCT NAME:
- FORK SEAL/WIPER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $52.95Now: $42.00Was: $52.95
