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
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FACTORY CONNECTION Front Fork Springs - 0.42 kg/mm LSA-042
FACTORY CONNECTION
$159.95Suspension performance hinges on spring consistency—and cheap springs fade under track stress. Factory Connection's front fork springs deliver precision-engineered rate stability lap after lap, with...LSA042- SKU:
- LSA042
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- SPRING RATE IMPERIAL:
- 23.50 LB/IN
- UNITS:
- PAIR
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
FACTORY CONNECTION Front Fork Springs - 0.44 kg/mm LSA-044
FACTORY CONNECTION
$159.95Precision fork tuning starts with the right spring rate, and Factory Connection's LSA-044 delivers the consistency that separates podium finishes from mid-pack rides. These U.S.-manufactured springs...LSA044- SKU:
- LSA044
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- PRODUCT NAME:
- SPRING KIT
- SPRING RATE IMPERIAL:
- 24.60 LB/IN
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$159.95 -
FACTORY CONNECTION Front Fork Springs - 0.48 kg/mm LSB-048
FACTORY CONNECTION
$159.95Factory Connection front fork springs deliver the precision tuning your suspension demands, whether you're dialing in a championship-winning setup or refining your bike's handling characteristics...LSB048- SKU:
- LSB048
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- SPRING RATE IMPERIAL:
- 26.90 LB/IN
- PRODUCT NAME:
- SPRING KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FORK
- UNITS:
- PAIR
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
On Sale
FACTORY CONNECTION Front Fork Springs - 0.45 kg/mm LRL-045
FACTORY CONNECTION
MSRP: $149.99Now: $96.00Was: $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...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: $96.00Was: $149.99Qty in Cart: 0Quantity:Price:MSRP: $149.99Now: $96.00Was: $149.99Subtotal: -
On Sale
FACTORY CONNECTION Front Fork Springs - 0.49 kg/mm LRL-049
FACTORY CONNECTION
MSRP: $149.99Now: $96.00Was: $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...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: $96.00Was: $149.99Qty in Cart: 0Quantity:Price:MSRP: $149.99Now: $96.00Was: $149.99Subtotal: -
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...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...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...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
$79.95Qty in Cart: 0Quantity:Price:$79.95Subtotal: -
On Sale
FACTORY CONNECTION Bladder Cap - 59 mm - Showa BCS59BRN
FACTORY CONNECTION
MSRP: $74.95Now: $48.00Was: $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...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: $48.00Was: $74.95Qty in Cart: 0Quantity:Price:MSRP: $74.95Now: $48.00Was: $74.95Subtotal: -
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...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...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
$31.95Harsh bottoming events accelerate suspension wear and create unpredictable handling characteristics that compromise lap times and driver confidence. Factory Connection's Heavy-Duty Rubber Shock...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
$31.95 -
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...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...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,...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...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...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...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...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...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
